Characteristics Of Life Quiz
Unit 1: Characteristics of Life. What are the characteristics and features shared by all living organisms and species of organisms on planet Earth?
- 1.
Which of the following is an appropriate 'response to stimuli' for a dog on a hot day? (Select ALL that are correct).
- A.
Lowering its body temperature by panting (a dog's version of sweating)
- B.
Finding & Laying down in a shade
- C.
Locating & drinking water
- D.
Altering its DNA to have less fur
Correct Answer(s)
A. Lowering its body temperature by panting (a dog's version of sweating)
B. Finding & Laying down in a shade
C. Locating & drinking waterExplanation
On a hot day, a dog can respond to stimuli by lowering its body temperature through panting, which is similar to sweating in humans. Additionally, finding and laying down in a shade can help the dog cool down. Lastly, locating and drinking water is also an appropriate response as it helps to hydrate the dog and regulate its body temperature. However, altering its DNA to have less fur is not a response to stimuli but rather a long-term genetic adaptation.Rate this question:
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- 2.
How does the image of these tadpoles demonstrate the COL of Development?
- A.
They are different sizes with different number of cells
- B.
They are able to swim towards food
- C.
The ones that survive have the best characteristics for their enviroment
- D.
New structures such as legs are forming
- E.
They move and are green
Correct Answer
D. New structures such as legs are formingExplanation
The image of tadpoles forming new structures such as legs demonstrates the COL of Development because it shows the process of growth and differentiation. Development involves the formation of new structures and organs as an organism matures. In this case, the tadpoles are undergoing metamorphosis, transitioning from their larval stage to their adult stage. The formation of legs is a clear indication of developmental changes occurring in the tadpoles.Rate this question:
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- 3.
Which of the following is/are NOT characteristics of life? (Select ALL that are correct).
- A.
Movement
- B.
Development
- C.
Acclimation
- D.
Biological Organization
- E.
Reproduction
Correct Answer(s)
A. Movement
C. AcclimationExplanation
Movement and acclimation are not characteristics of life. Movement refers to the ability of an organism to change its position or location, which is not a defining characteristic of life as there are many non-living things that can also move. Acclimation refers to the ability of an organism to adjust to changes in its environment, which is also not a defining characteristic of life as there are non-living systems that can also acclimate. Development, biological organization, and reproduction are all characteristics of life as they are essential processes for living organisms.Rate this question:
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- 4.
Why do the offspring (babies) in a species often resemble the parent organisms that are best suited to their enviroment?
- A.
The organisms choose characteristics that will help them survive
- B.
The organisms best suited to the environment are more likely to survive and reproduce
- C.
There is no connection between parental characteristics and offspring characteristics
- D.
It occurs due to random chance
- E.
The organisms acclimated to that particular environment
Correct Answer
B. The organisms best suited to the environment are more likely to survive and reproduceExplanation
Offspring often resemble parent organisms that are best suited to their environment because these organisms have traits that enable them to survive and reproduce successfully. Through the process of natural selection, individuals with advantageous traits are more likely to survive and pass on their genes to the next generation. Over time, these traits become more common in the population, leading to offspring that are well adapted to their environment. This ensures the continuation of favorable traits and increases the overall fitness of the species.Rate this question:
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- 5.
Which of the following chemical processes produces the energy needed for almost all living things?
- A.
Photosythesis
- B.
Combustion
- C.
Cellular respiration
- D.
Consuming plants
- E.
Digestion
Correct Answer
A. PhotosythesisExplanation
Photosynthesis is the correct answer because it is the process by which plants, algae, and some bacteria convert sunlight, carbon dioxide, and water into glucose and oxygen. This glucose is then used as the primary source of energy for almost all living organisms through cellular respiration. Combustion is a chemical process that produces energy, but it is not the main process that sustains living organisms. Consuming plants and digestion are part of the process of obtaining energy from food, but they are not the chemical processes that produce the energy needed for living things.Rate this question:
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- 6.
Which of the Characteristics of life are required for the species but are NOT necessary for the individual?
- A.
Adapt
- B.
Develop
- C.
Respond to Stimuli
- D.
Reproduce
- E.
Grow
Correct Answer(s)
A. Adapt
D. ReproduceExplanation
Adaptation is a characteristic of life that is required for the survival of a species as a whole, but it is not necessary for an individual organism. Adaptation refers to the ability of a species to change and adjust to its environment over time, allowing it to better survive and reproduce. While individuals within a species may exhibit certain adaptations, it is not a requirement for their survival. Similarly, reproduction is essential for the continuation of a species, but it is not necessary for an individual organism to reproduce in order to survive.Rate this question:
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- 7.
Which of the following organisms undergo cellular respiration?
- A.
Shark
- B.
Daisies (flower)
- C.
Zebra
- D.
Worms
Explanation
All of the organisms listed undergo cellular respiration. Cellular respiration is the process by which cells break down glucose and other organic molecules to produce energy in the form of ATP. This process occurs in all living organisms, including animals like sharks, zebras, and worms, as well as plants like daisies. Therefore, cellular respiration is a fundamental metabolic process that is essential for the survival and functioning of all organisms.Rate this question:
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- 8.
Which is the chemical equation for CELLULAR RESPIRATION?
- A.
C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O + ATP
- B.
6 CO2 + 6 H2O --> C6H12O6 + 6 O2
- C.
C6H12O6 + 6 H2O --> 6 CO2 + 6 O2 + SUN
- D.
6 CO2 + 6 O2 --> C6H12O6 + 6H2O + ATP
Correct Answer
A. C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O + ATPExplanation
The chemical equation for cellular respiration is C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O + ATP. This equation represents the process in which glucose (C6H12O6) and oxygen (O2) are converted into carbon dioxide (CO2), water (H2O), and ATP (adenosine triphosphate), which is the energy currency of cells. This equation accurately represents the reactants and products involved in cellular respiration.Rate this question:
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- 9.
Which is the chemical equation for PHOTOSYNTHESIS?
- A.
C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O + ATP
- B.
6 CO2 + 6 H2O --> C6H12O6 + 6 O2
- C.
C6H12O6 + 6 H2O --> 6 CO2 + 6 O2 --> SUN
- D.
6 O2 + 6 H2O --> C6H12O6 + 6 CO2
- E.
C6H12O6 + 6 CO2 --> 6 02 + 6 H2O
Correct Answer
B. 6 CO2 + 6 H2O --> C6H12O6 + 6 O2Explanation
The correct answer is 6 CO2 + 6 H2O --> C6H12O6 + 6 O2. This equation represents the process of photosynthesis, where carbon dioxide (CO2) and water (H2O) are converted into glucose (C6H12O6) and oxygen (O2) using light energy. This equation is balanced, with 6 molecules of CO2 and 6 molecules of H2O on the reactant side, and 1 molecule of C6H12O6 and 6 molecules of O2 on the product side.Rate this question:
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- 10.
Which of the following is true?(Check all the boxes that apply)
- A.
Plants use photosythesis only
- B.
Plants use cellilar respiration only
- C.
Plants use both photosynthesis and cellular respiration
- D.
Animals use photosythesis only
- E.
Animals use cellular respiration only
Correct Answer(s)
C. Plants use both photosynthesis and cellular respiration
E. Animals use cellular respiration onlyExplanation
Plants use both photosynthesis and cellular respiration to obtain energy. Photosynthesis is the process by which plants convert sunlight, carbon dioxide, and water into glucose and oxygen. Cellular respiration, on the other hand, is the process by which plants break down glucose and release energy. Animals, on the other hand, rely solely on cellular respiration to obtain energy from the food they consume. Therefore, the correct answer is that plants use both photosynthesis and cellular respiration, while animals use cellular respiration only.Rate this question:
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- 11.
While walking down the street a car "Backfires" and you scream and run away. This is an example of which COL?
- A.
Adaptation
- B.
Sensation
- C.
Movement
- D.
Development
- E.
Respond to Stimuli
Correct Answer
E. Respond to StimuliExplanation
This scenario demonstrates the COL of "Respond to Stimuli" because the loud noise of the car backfiring acts as a stimulus that triggers a response in the form of screaming and running away. The individual's reaction is instinctive and automatic, showing their ability to respond to external stimuli in their environment.Rate this question:
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- 12.
The number of unicellular individual living bacteria cells in a petri dish increases from 2 to 14 in a half hour. This is an example of which charateristics of life?
- A.
Growth
- B.
Development
- C.
Respond to Stimuli
- D.
Cells
Correct Answer
A. GrowthExplanation
The increase in the number of unicellular bacteria cells in the petri dish from 2 to 14 in a half hour demonstrates the characteristic of growth. Growth refers to an increase in size, number, or complexity. In this case, the number of cells has increased, indicating growth in the bacterial population.Rate this question:
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- 13.
You turn on the light in a dark room and cockroaches scurry underneath a cabinet. This is an example of which characteristic of life?
- A.
Movement
- B.
Obtain, Convert, and Use Biological Energy
- C.
Respond to Stimuli
- D.
Grow & Develop
- E.
Biological Organization
Correct Answer
C. Respond to StimuliExplanation
When the light is turned on in a dark room, the cockroaches scurrying underneath a cabinet is an example of the characteristic of life known as "Respond to Stimuli". The cockroaches are reacting to the sudden change in their environment caused by the introduction of light, and they are exhibiting a response by moving quickly to find shelter. This ability to detect and respond to external stimuli is a fundamental aspect of living organisms.Rate this question:
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- 14.
Which of the following best describes an object that at one point in its existence possessed the 5 characteristics of life required for an individual, but no longer possesses these same 5 characteristics of life?
- A.
Alive
- B.
Never Living
- C.
Non- Living
- D.
Living
- E.
Inanimate
- F.
Once Living
Correct Answer
F. Once LivingExplanation
An object that was once living refers to something that was once alive but no longer possesses the characteristics of life. This could be a plant that has died or an animal that has decomposed. Once living objects were once capable of growth, reproduction, response to stimuli, metabolism, and organization, but they have lost these abilities over time.Rate this question:
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- 15.
An organism increases in size, mass, and number of cells.This is an example of which characteristic of life?
- A.
Growth
- B.
Development
- C.
Respond to Stimuli
- D.
Reproduce
- E.
Homeostasis
- F.
Movement
Correct Answer
A. GrowthExplanation
The given answer, "Growth," is correct because it accurately describes the process of an organism increasing in size, mass, and number of cells. Growth is a fundamental characteristic of life, as living organisms have the ability to grow and develop over time.Rate this question:
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- 16.
Which of the following is the smallest structural unit of life that maintains all the properties of life?
- A.
Atoms
- B.
Molecules
- C.
Cells
- D.
Tissues
- E.
Organs
- F.
Organism
Correct Answer
C. CellsExplanation
Cells are the smallest structural unit of life that maintains all the properties of life. They are the basic building blocks of all living organisms and are responsible for carrying out essential functions such as metabolism, growth, and reproduction. Cells are composed of various molecules and organelles, which work together to ensure the survival and functioning of the organism.Rate this question:
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- 17.
Examine the following list of objects. Identify the three categories, in order, into which they belong.
- A.
Stone: Dead; Frozen Fish: Alive; Grass: Never Alive
- B.
Stone: Once Living; Frozen Fish: Dead; Grass: Alive
- C.
Stone: Living; Frozen Fish: Alive; Grass: Dead
- D.
Stone: Never Alive; Frozen Fish: Once Living; Grass: Alive
- E.
Stone: Once Living; Frozen Fish: Never Alive; Grass: Living
- F.
Stone: Alive; Frozen Fish: Once Alive; Grass: Dead
Correct Answer
D. Stone: Never Alive; Frozen Fish: Once Living; Grass: AliveExplanation
The correct answer is Stone: Never Alive; Frozen Fish: Once Living; Grass: Alive. This answer correctly categorizes the objects based on their characteristics. It states that stone is never alive, which is true as stones do not possess life. It states that frozen fish is once living, which is true as fish were once alive before being frozen. It states that grass is alive, which is also true as grass is a living plant.Rate this question:
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- 18.
It is clear that a camera is not alive, although some characteristics of life may still correctly apply to a non- living object like the camera. For example bamboo flooring is not alive, but still contains "cells" -- therefore that C.O.L. still applies to the flooring. Which of the following statements Incorrectly applies the C.O.L. to the camera?
- A.
...it can capture & reproduce images
- B.
...it can (a) obtain, (b) covert, & (c) use biological energy
- C.
...it analyzes external light conditions & responds appropriately by adjusting its focus settings to capture a clear image.
- D.
...it has specific structures that carry out very specific functions (the lens magnifies and focuses), and is therefore highly organized
Correct Answer(s)
A. ...it can capture & reproduce images
B. ...it can (a) obtain, (b) covert, & (c) use biological energyExplanation
The correct answer is "...it can (a) obtain, (b) covert, & (c) use biological energy". This statement incorrectly applies the characteristics of life to the camera. Cameras do not have the ability to obtain, convert, or use biological energy as living organisms do. Cameras rely on external power sources such as batteries or electricity to function, rather than biological energy.Rate this question:
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- 19.
Mystery Creature #5 Observations1. Constantly changes position in the dish 2. "Bubbles" seen exiting the creature3. Increasing the temperature in the dish causes the creature to move faster4. Two smaller creatures appear from the original after 2 days - observation 1,2,&3 apply to these "new" creatures as wellWhich C.O.L. can these observations "best apply" as evidence to support that this creature is indeed alive?
- A.
Using Energy, Reproduction, Respond to Stimuli
- B.
Adaptation, Using Energy, Respond to Stimuli
- C.
Movement, Using Energy, Adaption
- D.
Grow & Develop, Respond to Stimuli, Cells
- E.
Using Energy, Grow & develop, Respond to Stimuli
Correct Answer
A. Using Energy, Reproduction, Respond to StimuliExplanation
The observations mentioned in the question indicate that the creature is constantly changing position, releasing bubbles, and responding to changes in temperature. Additionally, the fact that two smaller creatures appear from the original after 2 days suggests reproduction. These observations suggest that the creature is using energy to move, responding to stimuli such as changes in temperature, and reproducing. Therefore, the best C.O.L. that these observations can apply to is "Using Energy, Reproduction, Respond to Stimuli."Rate this question:
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- 20.
Which of the following statements is false regarding the difference between Adaption & Respond to a Stimuli?
- A.
Adaptation: Occurs in an entire species; Response to a Stimulus: occurs in single individuals
- B.
Adaptation: occurs over many generations; Response to a Stimulus: Occurs instantaneously
- C.
Adaptation: are based on changes in genetics; Response to a Stimulus: no genetic changes involved
- D.
Adaptation: occurs when someone acclimates (gets use to) the weather; Response to a Stimulus: occurs only when internal body condition are changing
Correct Answer
D. Adaptation: occurs when someone acclimates (gets use to) the weather; Response to a Stimulus: occurs only when internal body condition are changingExplanation
The statement that is false regarding the difference between Adaptation and Response to a Stimuli is "Adaptation: occurs when someone acclimates (gets used to) the weather; Response to a Stimulus: occurs only when internal body conditions are changing." This is incorrect because adaptation is not specific to acclimating to weather, but rather refers to changes that occur in an entire species over many generations. Response to a stimulus, on the other hand, can occur in single individuals and can happen instantaneously without genetic changes.Rate this question:
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- 21.
Which of the following is not a specific example of development?
- A.
A caterpillar changing into a butterfly
- B.
Prior to being born the heart of a baby forms so as to include 4 chambers
- C.
A tadpole's tail slowly begins to disappear
- D.
The mass & number of cells in a caterpillar increases as it continually eats leaves
- E.
All of the above are examples of development
Correct Answer
D. The mass & number of cells in a caterpillar increases as it continually eats leavesExplanation
The given answer is correct because the mass and number of cells increasing in a caterpillar as it eats leaves is an example of growth, not development. Development refers to the process of maturation and differentiation of cells, tissues, and organs to form a complete organism or to acquire specific functions. In this case, the caterpillar changing into a butterfly, the formation of the baby's heart chambers, and the disappearance of a tadpole's tail are all examples of development.Rate this question:
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- 22.
Although there are 7 characteristics of life, not all need apply to any one individual. Which statements most accurately explain why Adaptation & Reproduction are most needed for the species?
- A.
Adaptation: Ensures that the species is able to cope with changing enviroments
- B.
Adaptation: Ensures that the population does not get too high
- C.
Reproduction: Ensures that only the best genetics are passed along to future generations
- D.
Reproduction: Ensures that the species numbes do not get too low -- or lead to extinction
Correct Answer(s)
A. Adaptation: Ensures that the species is able to cope with changing enviroments
D. Reproduction: Ensures that the species numbes do not get too low -- or lead to extinctionExplanation
Adaptation is important for a species because it allows them to adapt to changing environments, ensuring their survival. This means that they can adjust to new conditions and continue to thrive. On the other hand, reproduction is crucial to prevent the species' numbers from getting too low, which could lead to extinction. By reproducing, individuals pass on their genetics to future generations, maintaining a healthy population size and genetic diversity. Together, adaptation and reproduction work hand in hand to ensure the species' survival and long-term success.Rate this question:
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- 23.
Predict how the number of each species will likely change after a few days time has passed.
- A.
White will drop significantly; Brown will drop slightly
- B.
White will drop significantly; Brown will rise significantly
- C.
White will rise significantly; Brown will drop slightly
- D.
White will rise significantly; Brown will drop significantly
Correct Answer
A. White will drop significantly; Brown will drop slightlyExplanation
The given answer suggests that the number of white species will decrease significantly after a few days, while the number of brown species will only decrease slightly. This implies that there may be some factors or conditions that are causing a decline in the white species population, while the brown species population is relatively stable or experiencing a minor decrease.Rate this question:
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- 24.
Which of the following best describes the flow of materials through organisms undergoing photosynthesis & cellular respiration
- A.
A= O2; b= CO2; c= O2
- B.
A= H2O; b= O2; c= O2
- C.
A= CO2; b= H2O; c= CO2
- D.
A= CO2; b= O2; c=CO2
Correct Answer
D. A= CO2; b= O2; c=CO2Explanation
During photosynthesis, plants take in carbon dioxide (CO2) from the atmosphere and water (H2O) from the soil. Using sunlight as an energy source, they convert CO2 and H2O into glucose and release oxygen (O2) as a byproduct. This process is represented by the equation: 6CO2 + 6H2O → C6H12O6 + 6O2. During cellular respiration, organisms break down glucose to release energy. In this process, they take in oxygen (O2) and release carbon dioxide (CO2) as a waste product. The overall flow of materials is therefore CO2 being taken in during photosynthesis, O2 being released, and CO2 being released during cellular respiration.Rate this question:
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- 25.
A brown bear is transported from a forest to the arctic when it is a cub. As and adult the grown bear: a. Will seek out caves and shelter to avoid cold winters b. Will begin to grow lighter and lighter fur and reach a color more suitable to the "snow" enviroments
- A.
Only a is true
- B.
Only b is true
- C.
Both a and b are true
- D.
Neither a nor b are ture
Correct Answer
A. Only a is trueExplanation
As an adult, the brown bear that was transported from a forest to the arctic as a cub will seek out caves and shelter to avoid cold winters. This behavior is a survival adaptation to the harsh arctic environment, where the bear needs protection from extreme cold temperatures. On the other hand, there is no mention of the bear's fur changing color in the question, so it cannot be concluded that the bear will grow lighter and lighter fur to match the "snow" environment. Therefore, only statement a is true.Rate this question:
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- 26.
A squirrel is running across a road when it is hit by a truck and killed. The driver of the truck pulls over to the side of the road to check on the squirrel but there is nothing he can do. Which of the following best indicates the correct states of life of the items listed?
- A.
Truck: Once Living Squirrel Before Crossing the Road: Living Driver: Living Squirrel After Crossing the Road: Once Living
- B.
Truck: Never Living Squirrel Before Crossing the Road: Living Driver: Living Squirrel After Crossing the Road: Once Living
- C.
Truck: Never Living Squirrel Before Crossing the Road: Once Living Driver: Dead Squirrel After Crossing the Road: Once Living
- D.
Truck: Never Living Squirrel Before Crossing the Road: Living Driver: Once Living Squirrel After Crossing the Road: Once Living
Correct Answer
B. Truck: Never Living Squirrel Before Crossing the Road: Living Driver: Living Squirrel After Crossing the Road: Once LivingExplanation
The truck is never living because it is an inanimate object and does not possess life. The squirrel is living before crossing the road because it is described as running. The driver is living because they pull over to check on the squirrel. The squirrel is once living after crossing the road because it is hit by the truck and killed.Rate this question:
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- 27.
Which of the following COL best describes the sequence of events in the image?
- A.
Development
- B.
Responds to stimuli
- C.
Reproduce
- D.
Growth
- E.
Homeostasis
- F.
Adaptation
Correct Answer
A. DevelopmentExplanation
The sequence of events in the image can be best described as Development. Development refers to the process of growth and change over time, which includes responding to stimuli, reproduction, growth, and adaptation. Homeostasis, on the other hand, refers to the ability to maintain a stable internal environment, which may not be applicable in this context. Therefore, Development is the most suitable COL to describe the sequence of events in the image.Rate this question:
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- 28.
As the sun movies across the sky, this sunflower will bend and twist so that it is always facing the sun. This can best be describes as which COL?
- A.
Highly Organized
- B.
Grow & Develop
- C.
Adaptaion
- D.
Movement
- E.
Responding to Stimuli
Correct Answer
E. Responding to StimuliExplanation
The given scenario describes the sunflower's ability to bend and twist in order to face the sun as it moves across the sky. This behavior of the sunflower is a response to the stimulus of sunlight. Therefore, the best way to describe this behavior is "Responding to Stimuli".Rate this question:
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- 29.
Over time a single cell increases in size and mass. This can best be described as which COL?
- A.
Development
- B.
Growth
- C.
Movement
- D.
Respond to stimuli
- E.
Adapt
- F.
Reproduction
Correct Answer
B. GrowthExplanation
The given question asks for the best description of a single cell increasing in size and mass over time. The process described here is commonly known as growth. Growth refers to an increase in size, mass, or complexity of an organism or its parts over time. This answer aligns with the provided information and accurately describes the given scenario.Rate this question:
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- 30.
Living organisms require a fuel source that can be converted into ATP energy. What is that fuel?
- A.
ATP
- B.
Oxygen
- C.
Sunlight
- D.
Carbon dioxide
- E.
Water
- F.
Glucose
Correct Answer
F. GlucoseExplanation
Living organisms require a fuel source that can be converted into ATP energy, and glucose is the primary fuel source for most organisms. Glucose is a type of sugar that is broken down through a process called cellular respiration to produce ATP, which is the energy currency of cells. This process occurs in the mitochondria of cells and is essential for maintaining the energy needs of living organisms.Rate this question:
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- 31.
Which of the following undergo cellular respiration?
- A.
Cats
- B.
Roses
- C.
Fish
- D.
Eagles
Correct Answer(s)
A. Cats
B. Roses
C. Fish
D. EaglesExplanation
All living organisms undergo cellular respiration, which is the process of converting nutrients into energy. Cats, fish, eagles, and roses are all living organisms, therefore they all undergo cellular respiration.Rate this question:
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- 32.
Which of the following is/are not a characteristic(s) of life?
- A.
Movement
- B.
Adaptation
- C.
Development
- D.
Photosythnthesis
Correct Answer(s)
A. Movement
D. PhotosythnthesisExplanation
Movement and Photosynthesis are not characteristics of life. Movement is a characteristic of living organisms, as they are capable of changing their position or location. Photosynthesis, on the other hand, is a process that occurs in plants and some bacteria to convert sunlight into energy, which is essential for their survival. Adaptation and Development, however, are characteristics of life. Adaptation refers to the ability of organisms to adjust to their environment over time, while development refers to the process of growth and maturation of an organism from birth to adulthood.Rate this question:
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- 33.
Which of the CHARACTERISTICS OF LIFE are required for an individual within a species? (Select ALL that are correct).
- A.
Adapt
- B.
Develop and Grow
- C.
Respond to Stimuli
- D.
Movement
- E.
Reproduce
- F.
Obtain Convert and Use Energy
Correct Answer(s)
B. Develop and Grow
C. Respond to Stimuli
F. Obtain Convert and Use EnergyExplanation
The characteristics of life that are required for an individual within a species are to develop and grow, respond to stimuli, and obtain, convert, and use energy. Developing and growing is essential for an individual to mature and reach their full potential. Responding to stimuli allows an organism to interact with its environment and adapt to changes. Obtaining, converting, and using energy is necessary for an individual to carry out essential life processes and maintain homeostasis.Rate this question:
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- 34.
3 different species of organisms are studied by a veterinarian. All 3 organisms are found to be composed of cells that are grouped into muscle, nervous, connective, and epithelial tissue. These tissues then form a four chambered heart in each organism. This is best accounted for by which COL?
- A.
Reproduce
- B.
Grow and Develop
- C.
Organization
- D.
Cells
- E.
Obtain, Convert, and Use Energy
Correct Answer
C. OrganizationExplanation
The presence of grouped cells that form tissues and a four chambered heart in all three organisms indicates a high level of organization. This suggests that the organisms have specialized structures and systems that work together to perform specific functions. The concept of organization best explains this observation.Rate this question:
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- 35.
Why do plants need to undergo photosynthesis?
- A.
To produce ATP
- B.
To create oxygen
- C.
To create glucose
- D.
To remove Carbon dioxide from the atmosphere
Correct Answer
C. To create glucoseExplanation
Plants need to undergo photosynthesis to create glucose. Glucose is a type of sugar that serves as a source of energy for plants. Through photosynthesis, plants convert sunlight, water, and carbon dioxide into glucose and oxygen. Glucose is then used by plants for various metabolic processes, including growth, reproduction, and cellular respiration. Additionally, plants store excess glucose as starch, which can be used as a long-term energy reserve. Therefore, photosynthesis is crucial for plants to produce the necessary energy and nutrients needed for their survival and growth.Rate this question:
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- 36.
What are the reactants (the things needed) for photosynthesis?
- A.
Oxygen
- B.
Water
- C.
Sunlight
- D.
Carbon Dioxide
- E.
Glucose
- F.
ATP
Correct Answer(s)
A. Oxygen
B. Water
C. SunlightExplanation
Photosynthesis is the process by which plants convert sunlight, water, and carbon dioxide into glucose and oxygen. Oxygen is produced as a byproduct of photosynthesis, while water and sunlight are essential reactants for the process. Carbon dioxide is also required for photosynthesis, but it is not listed as a reactant in the given options. Glucose and ATP are products of photosynthesis and not reactants.Rate this question:
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- 37.
Which of the following is the balanced chemical equation for CELLULAR RESPIRATION?
- A.
C6H12O6 + O2 --> CO2 + H2O + ATP
- B.
6 CO2 + 6H2O --> SUN --> C6H12O6 + 6O2
- C.
C6H1206 + 6H20 --> 6 CO2 + 6 O2 --> SUN
- D.
6 CO2 + 6O2 --> C6H12O6 + 6H2O + ATP
- E.
6 O2 + C6H12O6 --> 6 CO2 + 6 H2O +ATP
Correct Answer
E. 6 O2 + C6H12O6 --> 6 CO2 + 6 H2O +ATPExplanation
The given balanced chemical equation represents cellular respiration, which is the process by which cells convert glucose (C6H12O6) and oxygen (O2) into carbon dioxide (CO2), water (H2O), and ATP (adenosine triphosphate). ATP is the energy currency of cells. This equation shows that for every molecule of glucose and oxygen, six molecules of carbon dioxide, six molecules of water, and ATP are produced.Rate this question:
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- 38.
Which of the following is true? (Select the TWO responses that are correct).
- A.
Plants use photosynthesis only
- B.
Plants use cellular respiration only
- C.
Plants use both cellular respiration and photosynthesis
- D.
Plants use neither cellular respiration nor photosynthesis
- E.
Animals use photosynthesis only
- F.
Animals use cellular respiration only
- G.
Animals use both photosynthesis and cellular respiration
- H.
Animals use neither cellular respiration nor photosynthesis
Correct Answer(s)
C. Plants use both cellular respiration and photosynthesis
F. Animals use cellular respiration onlyExplanation
Plants use both cellular respiration and photosynthesis to obtain energy. Photosynthesis allows plants to convert sunlight, water, and carbon dioxide into glucose and oxygen. This process occurs in the chloroplasts of plant cells. However, plants also require energy for various metabolic processes, growth, and reproduction. This energy is obtained through cellular respiration, which takes place in the mitochondria of plant cells. Animals, on the other hand, rely solely on cellular respiration to obtain energy from the food they consume. Therefore, the correct answers are that plants use both cellular respiration and photosynthesis, while animals use cellular respiration only.Rate this question:
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- 39.
Which of the following is the smallest structural unit of life that maintains all the properties of life?
- A.
Cells
- B.
Molecules
- C.
Atoms
- D.
Tissues
- E.
Organism
- F.
Organs
Correct Answer
A. CellsExplanation
Cells are considered the smallest structural unit of life because they are capable of carrying out all the essential functions of life. They are the building blocks of all living organisms and are responsible for maintaining life-sustaining processes such as metabolism, growth, reproduction, and response to stimuli. Cells can exist as single-celled organisms or as part of a multicellular organism, where they work together to form tissues, organs, and ultimately, an entire organism.Rate this question:
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- 40.
Examine the following list of objects. Identify the three categories, in order, into which they belong?
- A.
Dried Flowers: Never Living Algae: Alive Bacteria: Never Alive
- B.
Dried Flowers: Once Living Algae: Dead Bacteria: Alive
- C.
Dried Flowers: Living Algae: Alive Bacteria: Dead
- D.
Dried Flowers: Once Alive Algae: Living Bacteria: Alive
- E.
Dried Flowers: Once Living Algae: Never Alive Bacteria: Living
- F.
Dried Flowers: Alive Algae: Once Alive Bacteria: Dead
Correct Answer
D. Dried Flowers: Once Alive Algae: Living Bacteria: AliveExplanation
The correct answer is Dried Flowers: Once Alive, Algae: Living, Bacteria: Alive. This is because dried flowers were once alive but are now dead, algae is a type of plant that is living, and bacteria are living microorganisms.Rate this question:
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- 41.
A single unicellular living bacteria cell is placed in a petri dish at time = 0 min. After a 1/2 hour the petri dish contains 2 bacteria cells that are much larger in size. This is an example of witch characteristic(s) of life?
- A.
Growth
- B.
Development
- C.
Respond to Stimuli
- D.
Reproduction
- E.
Organization
- F.
Adaptation
Correct Answer(s)
A. Growth
D. ReproductionExplanation
The presence of two bacteria cells in the petri dish after half an hour indicates growth and reproduction. Growth refers to an increase in size or number, which is evident from the larger size of the bacteria cells. Reproduction involves the production of offspring, which is evident from the presence of two bacteria cells instead of just one. Therefore, the example provided demonstrates both growth and reproduction, which are characteristics of life.Rate this question:
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- 42.
A scientist examines two completely different organisms- one is a large elephant and the other is a tiny mouse. The scientist determines that both creatures have and esophagus that enters their stomach which then exits into their intestines. This is an example of which characteristic of life?
- A.
Movement
- B.
Obtain, Convert, and Use Energy
- C.
Respond to Stimuli
- D.
Grow and Develop
- E.
Biological Organization
- F.
Adaptation
- G.
Cells
Correct Answer
E. Biological OrganizationExplanation
The scientist's examination of the elephant and mouse reveals that both organisms have a similar digestive system, with an esophagus that leads to the stomach and then to the intestines. This observation demonstrates the characteristic of Biological Organization, as it shows that both organisms have a similar organization of their internal structures and systems.Rate this question:
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- 43.
It is clear that photocopier is not alive, although some characteristics of life may still correctly apply to a non-living object like the camera. Which of the following statements Incorrectly applies the C.O.L. to the photocopier?
- A.
... it can reproduce many copies of the images it scans
- B.
... it can (a) obtain, (b) convert, and (c) use energy
- C.
... it has many moving parts that slide, rotate, and raise up and down
- D.
...when you press the "copy" button, it responds by making copies
Correct Answer
C. ... it has many moving parts that slide, rotate, and raise up and downExplanation
The statement incorrectly applies the characteristics of life to the photocopier because having moving parts does not necessarily mean that an object is alive. Many non-living objects, such as machines and vehicles, have moving parts for their functionality.Rate this question:
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- 44.
Which of the following statements is true regarding the connection that does indeed exist between Adaption & Respond to Stimuli
- A.
Over many generations, adaptation leads to the selection of the individuals within that species who are best able to respond to specific stimuli within their environment
- B.
Adaptation occurs immediately when those individuals who are best able to respond to Specific stimuli within their environment survive and teach others within the species their survival strategies
- C.
There is no connection between adaptation and responds to stimuli
Correct Answer
A. Over many generations, adaptation leads to the selection of the individuals within that species who are best able to respond to specific stimuli within their environmentExplanation
Over many generations, adaptation leads to the selection of the individuals within that species who are best able to respond to specific stimuli within their environment. This means that as a species adapts to its environment, individuals who are better equipped to respond to stimuli in that environment have a higher chance of survival and reproduction. Over time, this leads to the selection and proliferation of individuals with traits that enable them to respond effectively to the stimuli present in their environment.Rate this question:
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- 45.
Which of the following is not a specific example of development?
- A.
Arms forming on the tadpole as it changes into a frog
- B.
A tadpole's heart changes from having 2 chambers to having 3 chambers as it becomes a frog
- C.
A tadpole's tail slowly begins to disappear as it becomes a frog
- D.
All of the above are examples of development
Correct Answer
D. All of the above are examples of developmentExplanation
All of the given options are examples of development. The formation of arms on the tadpole, the change in the tadpole's heart chambers, and the disappearance of the tadpole's tail are all specific examples of development in the process of a tadpole transforming into a frog.Rate this question:
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- 46.
Which of the following statements are true regarding Reproduction and Adaptation?
- A.
Reproduction ensures that the species is genetically able to cope with changing environments
- B.
Adaptation ensures that the population does not get too high or to low
- C.
Reproduction ensures that only the best genetics are passed along to future generations
- D.
Adaptation ensures that only the best genetics are passed along to future generations
Correct Answer
D. Adaptation ensures that only the best genetics are passed along to future generationsExplanation
Reproduction ensures that the species is genetically able to cope with changing environments. This is because through reproduction, individuals with advantageous genetic traits are able to pass on those traits to their offspring, increasing the overall fitness of the species and enabling them to adapt to their environment. Adaptation, on the other hand, refers to the process by which populations evolve over time in response to environmental changes. It does not directly ensure that only the best genetics are passed along to future generations, as adaptation can occur through various mechanisms such as natural selection, genetic drift, and gene flow.Rate this question:
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- 47.
Finches with many different types of beaks exist on an island. During a year long drought food becomes limited and is found mainly inside tough shells. The birds with bigger beaks are more likely to get food.Which of the following statements regarding adaptation is true during this scenario?
- A.
The individual birds with the smaller beaks will adapt by growing larger and stronger beaks to obtain their food
- B.
The individual birds with the larger beaks will adapt to posses even larger and stronger beaks to obtain even more food
- C.
Both the large and small beaked birds will adapt equally to obtain enough food to survive
- D.
None of the individual birds will be able to adapt because they are born with their genetics and cannot alter it
Correct Answer
D. None of the individual birds will be able to adapt because they are born with their genetics and cannot alter itExplanation
During the drought, the birds with bigger beaks have an advantage in obtaining food from tough shells. However, the statement that none of the individual birds will be able to adapt because they are born with their genetics and cannot alter it is true. Adaptation occurs over generations through natural selection, where individuals with advantageous traits are more likely to survive and reproduce. In this scenario, the birds with smaller beaks may struggle to find enough food, but they will not be able to adapt by growing larger and stronger beaks within their lifetime.Rate this question:
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- 48.
Which of the following best describes the flow of materials through organisms undergoing photosynthesis and cellular respiration?
- A.
A= O2; b= C6H12O6; c= CO2; d= H2O; e=O2
- B.
A= CO2; b= C6H12O6; c= CO2; d= H2O6; e=O2
- C.
A= O2; b= C6H12O6; c= CO2; d= C6H12O6; e=O2
- D.
A= O2; b= H2O; c= CO2; d= C6H12O6; e=O2
- E.
A= O2; b= C6H12O6; c= O2; d= H2O6; e=CO2
Correct Answer
A. A= O2; b= C6H12O6; c= CO2; d= H2O; e=O2Explanation
During photosynthesis, organisms take in carbon dioxide (CO2) and water (H2O) and convert them into oxygen (O2) and glucose (C6H12O6). This process occurs in the presence of sunlight and is carried out by chlorophyll in the chloroplasts of plant cells. The oxygen produced during photosynthesis is released into the atmosphere.
During cellular respiration, organisms take in oxygen (O2) and glucose (C6H12O6) and convert them into carbon dioxide (CO2), water (H2O), and energy. This process occurs in the mitochondria of cells and is used to produce ATP, the energy currency of cells. The carbon dioxide produced during cellular respiration is released into the atmosphere.
Therefore, the correct answer is a= O2; b= C6H12O6; c= CO2; d= H2O; e=O2.Rate this question:
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- 49.
Statement 1: An elephant is born with large ears that contain many tiny blood vessels. These features allow all elephants to effectively cool their internal body temperature when they wave their ears in the air during hot days.Statement 2: A young girl is sitting in the hot sun. In an attempt to cool down her internal body temperature she folds a piece of paper into the shape of a fan and waves it back and forth to create a cool breeze.How do these two statements apply to the characteristics of life?
- A.
Statement 1: Is a Response to a Stimulus Statement 2: Is a Response to a Stimulus
- B.
Statement 1: Is an Adaptation Statement 2:Is an Adaptation
- C.
Statement 1: Is an Adaptation Statement 2: Is a Response to a Stimulus
- D.
Statement 1: Is a Response to a Stimulus Statement 2:Is an Adaptation
Correct Answer
C. Statement 1: Is an Adaptation Statement 2: Is a Response to a StimulusExplanation
The correct answer is that Statement 1 is an adaptation and Statement 2 is a response to a stimulus.
Statement 1 describes how an elephant's large ears with many tiny blood vessels are an adaptation that allows them to effectively cool their internal body temperature by waving their ears in the air during hot days. This adaptation helps elephants regulate their body temperature and survive in hot environments.
Statement 2 describes how a young girl sitting in the hot sun responds to the stimulus of the heat by folding a piece of paper into the shape of a fan and waving it back and forth to create a cool breeze. This is a response to the stimulus of the hot sun and is a way for the girl to try to cool down her internal body temperature.Rate this question:
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