Book A Ch 1 Test
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Questions and Answers
- 1.
A living thing is a(n)
Explanation
An organism is a term used to describe any living thing. It refers to a complex structure made up of cells, tissues, and organs that can perform various functions necessary for life. Organisms can be single-celled or multicellular, and they have the ability to grow, reproduce, respond to stimuli, and maintain homeostasis. Therefore, the term "organism" is a fitting and accurate description for a living thing.Rate this question:
- 2.
The smallest unit of organisms that carries on life functions
Explanation
A cell is the smallest unit of organisms that carries out life functions. It is the basic building block of all living organisms. Cells are responsible for performing various functions such as metabolism, reproduction, and responding to stimuli. They contain genetic material and are enclosed by a cell membrane, which separates the cell from its environment. Cells can exist as single-celled organisms or as part of a multicellular organism. They are essential for the survival and functioning of all living organisms.Rate this question:
- 3.
The changes that living things undergo as they grow
Explanation
Living things undergo changes as they grow, which is known as development. Development refers to the process of maturation and transformation that occurs in living organisms, leading to their growth and differentiation. It involves various physical, physiological, and behavioral changes that enable an organism to reach its full potential and adapt to its environment. Development encompasses processes such as cell division, tissue formation, organ formation, and the acquisition of new skills and abilities. It is a fundamental aspect of life and is essential for the survival and reproduction of living organisms.Rate this question:
- 4.
Anything an organism reacts to
Explanation
A stimulus is anything that elicits a response or reaction from an organism. It can be a physical or chemical event that triggers a sensory response in an organism. This response can be in the form of behavior, physiological changes, or even a reflex action. In this context, the given answer "stimulus" correctly identifies the term that encompasses all the things an organism reacts to.Rate this question:
- 5.
The reaction of an organism to a stimulus
Explanation
The word "response" is the correct answer because it accurately describes the reaction of an organism to a stimulus. When an organism encounters a stimulus, it typically reacts or responds in some way. This response can be in the form of a physical action, a change in behavior, or even a physiological change. Therefore, "response" is the most appropriate term to describe the reaction of an organism to a stimulus.Rate this question:
- 6.
Characteristic of an organism that helps it to survive in its environment
Explanation
Adaptation is a characteristic of an organism that helps it to survive in its environment. Organisms have specific traits or behaviors that allow them to adjust to their surroundings and increase their chances of survival. These adaptations can be physical, such as camouflage or protective structures, or behavioral, such as migration or hibernation. By adapting to their environment, organisms are better equipped to find food, avoid predators, and reproduce successfully. This ability to adapt is crucial for an organism's survival and allows them to thrive in different habitats and conditions.Rate this question:
- 7.
Organized problem-solving procedure in science
Explanation
The scientific method is an organized problem-solving procedure in science. It involves a series of steps that scientists follow to investigate and understand the natural world. This method includes making observations, formulating a hypothesis, conducting experiments or gathering data, analyzing the results, and drawing conclusions. It is a systematic and logical approach that helps scientists to gather evidence, test hypotheses, and make reliable and objective conclusions about the phenomena they are studying. The scientific method is widely used in various scientific disciplines to ensure accuracy and reliability in the process of scientific inquiry.Rate this question:
- 8.
The thing that is being tested in an experiment
Explanation
In an experiment, the thing that is being tested is called a variable. A variable is any factor or condition that can be changed, manipulated, or measured in an experiment. It can be an independent variable, which is intentionally changed by the researcher, or a dependent variable, which is the outcome or result that is measured or observed. Variables are important in experiments as they help to determine the cause and effect relationship between different factors and phenomena.Rate this question:
- 9.
The maintenance of steady conditions inside an organism
Explanation
Homeostasis refers to the ability of an organism to maintain stable internal conditions despite external changes. It involves various physiological processes that regulate temperature, pH, blood pressure, and other factors within a narrow range. This balance is crucial for the proper functioning of cells, tissues, and organs. Homeostasis ensures that the organism can adapt and respond to environmental fluctuations while keeping its internal environment consistent. It is a fundamental concept in biology and essential for the survival and well-being of living organisms.Rate this question:
- 10.
What unit of measure would you use to measure the length of this room
Explanation
The unit of measure that would be used to measure the length of the room is meter. Meters are commonly used to measure length and are a standard unit of measure in the metric system.Rate this question:
- 11.
What unit of measure would you use to measure from the school to my house in the country?
Explanation
To measure the distance from the school to the house in the country, the appropriate unit of measure would be a kilometer. A kilometer is a unit of length commonly used to measure long distances. It is a suitable choice for measuring the distance between two locations that are relatively far apart, such as a school and a house in the country.Rate this question:
- 12.
What unit of measure would you use to measure your mass?
Explanation
The unit of measure used to measure mass is the kilogram. Mass refers to the amount of matter in an object, and the kilogram is the base unit for measuring mass in the International System of Units (SI). It is commonly used in scientific and everyday contexts to quantify the mass of objects.Rate this question:
- 13.
What unit of measure would you use to measure the mass of a writing pen?
Explanation
The unit of measure used to measure the mass of a writing pen is a gram. Mass is a measure of the amount of matter in an object, and grams are commonly used to measure small masses. In this case, a writing pen is a small object, so it would be appropriate to use grams as the unit of measure.Rate this question:
- 14.
What unit of measure would you use to measure the temperature outside?
Explanation
Celsius is the unit of measure used to measure temperature. It is commonly used in most countries around the world. The Celsius scale is based on the freezing and boiling points of water, where 0 degrees Celsius is the freezing point and 100 degrees Celsius is the boiling point at sea level. Therefore, when measuring the temperature outside, Celsius would be the appropriate unit of measure to use.Rate this question:
- 15.
What unit of measure would you use to measure the volume of a soda (pop)(Dr. Pepper!)?
Explanation
The correct answer is liter. The volume of a soda can be measured using the unit of measure called liter. A liter is a metric unit of volume equal to 1000 cubic centimeters or 1.0567 quarts. It is commonly used to measure liquids, including beverages like soda.Rate this question:
- 16.
People once believed that living things come from nonliving matter. What was this called?
Explanation
Spontaneous generation refers to the belief that living organisms can arise spontaneously from nonliving matter. This theory was widely accepted in the past, with people thinking that things like maggots could appear from decaying meat or mice could be generated from piles of grain. However, this theory was later disproven by experiments conducted by Louis Pasteur and others, leading to the development of the theory of biogenesis, which states that living organisms only arise from preexisting living organisms.Rate this question:
- 17.
The theory that living things come from only other living things is called what?
Explanation
Biogenesis is the theory that living organisms can only arise from other living organisms. This theory contradicts the concept of spontaneous generation, which suggests that living organisms can emerge from non-living matter. Biogenesis is supported by scientific evidence and observations, such as the reproduction and growth of organisms through cellular division or sexual reproduction. This principle is fundamental to the field of biology and has been widely accepted since the experiments of Louis Pasteur in the 19th century.Rate this question:
- 18.
Linnaeus's major contribution to organism classificaiton was___.
Explanation
Linnaeus's major contribution to organism classification was the development of binomial nomenclature. This system of naming organisms using two Latin words, the genus and species, allowed for a standardized and organized way to identify and classify different species. By using binomial nomenclature, Linnaeus provided a universal language for scientists to communicate and study the diversity of life on Earth. This system is still widely used today and has greatly contributed to the field of taxonomy.Rate this question:
- 19.
The first word of an organism's scientific name is the ___?
Explanation
The first word of an organism's scientific name is the genus. In taxonomy, organisms are classified into a hierarchical system, with genus being a level above species. The genus represents a group of closely related species that share common characteristics. It helps scientists categorize and organize different species based on their similarities and evolutionary relationships. The scientific name of an organism consists of two parts: the genus name followed by the species name, allowing for precise identification and classification.Rate this question:
- 20.
The doctor who showed that maggots hatch from eggs that flies lay on meat and not from the meat itself was
Explanation
Redi, an Italian physician, conducted an experiment in the 17th century to disprove the theory of spontaneous generation. He placed meat in two separate jars, one covered and one uncovered. The uncovered jar attracted flies, which laid eggs on the meat. In contrast, no maggots appeared in the covered jar. This experiment provided evidence that maggots do not spontaneously generate from meat but rather from fly eggs. Redi's work laid the foundation for the understanding of the life cycle of flies and refuted the longstanding belief in spontaneous generation.Rate this question:
- 21.
A detailed list of indentifying characteristics that includes scientific names is called a
Explanation
A detailed list of identifying characteristics that includes scientific names is called a dichotomous key. A dichotomous key is a tool used in biology and taxonomy to identify organisms based on a series of choices between two alternative characteristics. It provides a systematic way to classify and identify organisms by using a series of questions that lead to the correct identification. The inclusion of scientific names ensures accuracy and consistency in the identification process.Rate this question:
- 22.
Most living things are made up of more than ___ percent of water.
Explanation
Most living things are composed of a significant amount of water, with some organisms being made up of more than 50% water. Water is essential for various biological processes, including transportation of nutrients, maintaining temperature, and lubrication. It is a vital component of cells, tissues, and organs, playing a crucial role in their structure and function. Therefore, it is accurate to say that most living things are made up of more than 50% water.Rate this question:
- 23.
Which of the following are SI Units? Please check ALL that apply
- A.
Inches
- B.
Kilometer
- C.
Gallon
- D.
Gram
- E.
Liter
- F.
Fahrenheit
Correct Answer(s)
B. Kilometer
D. Gram
E. LiterExplanation
The SI units are a system of measurement used in science and industry worldwide. They are based on seven base units, including the meter, kilogram, and liter. Inches and gallons are not SI units, as they are not part of the official system. Fahrenheit is also not an SI unit, as the SI unit for temperature is the Kelvin. Therefore, the correct answer is kilometer, gram, and liter.Rate this question:
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- 24.
Why are scientific names important? Check all that apply.
- A.
Avoids mistakes
- B.
Makes animal names easier to remember
- C.
Gives descriptive information about the animal
- D.
Allows for easy organization
Correct Answer(s)
A. Avoids mistakes
C. Gives descriptive information about the animal
D. Allows for easy organizationExplanation
Scientific names are important because they help to avoid mistakes by providing a standardized and universally recognized way of referring to organisms. They also give descriptive information about the animal, often indicating its characteristics or habitat. Additionally, scientific names allow for easy organization and classification of different species, facilitating research and communication among scientists.Rate this question:
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- 25.
What makes something a living thing? Check all that apply.
- A.
They respond to stimuli
- B.
Made of cell(s)
- C.
Produce their own food
- D.
Grow and develop
Correct Answer(s)
A. They respond to stimuli
B. Made of cell(s)
D. Grow and developExplanation
Living things are characterized by their ability to respond to stimuli, which means they can detect and react to changes in their environment. They are also made up of cells, which are the basic structural and functional units of life. Additionally, living things have the ability to grow and develop, meaning they can increase in size and complexity over time. The ability to produce their own food is not a universal characteristic of all living things, as some organisms rely on obtaining nutrients from their environment instead.Rate this question:
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Dec 01, 2023Quiz Edited by
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Oct 25, 2011Quiz Created by
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