Lessons 1-2 In Chapter 3 For Biology
A population is the number of living things that live together in the same place. There are different ways that one can use to describe a population and study it fully. Take up the quiz below lessons 1-2 in chapter 3 for biology and revise what you learnt about population of the earth.
Questions and Answers
- 1.
Ecology
- A.
Combined portions of land, water and atmosphere
- B.
Study of all living things
- C.
Study of nonliving things
- D.
Study of interactions among living & nonliving factors
Correct Answer
D. Study of interactions among living & nonliving factorsExplanation
Ecology is the study of interactions among living and nonliving factors. This includes the relationships between organisms and their environment, as well as the flow of energy and nutrients through ecosystems. By studying these interactions, ecologists gain a better understanding of how ecosystems function and how they can be managed and conserved. This definition encompasses the combined portions of land, water, and atmosphere, as well as the study of all living things.Rate this question:
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- 2.
The combined portions of land, water and atmosphere is?
- A.
Ecology
- B.
Atmosphere
- C.
Biosphere
- D.
Level of organization
Correct Answer
C. BiosphereExplanation
The correct answer is biosphere. The biosphere refers to the combined portions of land, water, and atmosphere where life exists. It includes all living organisms and their interactions with the physical environment. Ecology is the study of the relationships between organisms and their environment, but it does not encompass the entire Earth system. Atmosphere refers specifically to the gaseous envelope surrounding the Earth. Level of organization is a general term that can refer to various hierarchical levels in biology, but it does not specifically describe the combination of land, water, and atmosphere.Rate this question:
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- 3.
What are the 3 levels of organization from smallest to largest?
- A.
Species, population, community, ecosystem, biosphere, biome
- B.
Population, species, biome, biosphere, ecosystem, community
- C.
Species, community, population, ecosystem, biome, biosphere
- D.
Species, population, community, ecosystem, biome and biosphere
Correct Answer
D. Species, population, community, ecosystem, biome and biosphereExplanation
The correct answer is species, population, community, ecosystem, biome, and biosphere. This is the correct order of organization from smallest to largest. At the smallest level, we have species, which refers to a group of organisms that can interbreed and produce fertile offspring. Next is population, which is a group of individuals of the same species living in the same area. Community comes next, which is an assemblage of different populations that interact with each other in a given area. Ecosystem is the next level, which includes the community of organisms as well as the physical environment in which they interact. Biome is a larger scale, consisting of similar ecosystems found in different parts of the world. Lastly, the biosphere encompasses all the ecosystems on Earth.Rate this question:
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- 4.
Group of organisms that reproduce together.
Correct Answer
speciesExplanation
A species refers to a group of organisms that have similar characteristics and can interbreed to produce fertile offspring. This means that individuals within a species can reproduce together, ensuring the continuation of their genetic traits and maintaining the integrity of the species. Therefore, the term "species" accurately describes a group of organisms that reproduce together.Rate this question:
- 5.
Population is
- A.
All different species living together
- B.
All of the same species living all over
- C.
All of the same species living together
- D.
Species that can reproduce together
Correct Answer
C. All of the same species living togetherExplanation
The correct answer is "all of the same species living together." This is because a population refers to a group of individuals of the same species that live in the same area and interact with one another. It does not include individuals of different species or individuals of the same species living all over. Additionally, the ability to reproduce together is not a defining characteristic of a population.Rate this question:
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- 6.
Different populations living together
- A.
Community
- B.
Biosphere
- C.
Biome
- D.
Individual
Correct Answer
A. CommunityExplanation
A community refers to different populations of organisms living together in a specific area. It is a term used to describe the interactions and relationships between different species within a particular habitat. In this context, the term "different populations living together" aligns with the concept of a community, as it emphasizes the coexistence and interdependence of various organisms within an ecosystem. The other options (biosphere, biome, individual) do not specifically capture the idea of multiple populations cohabiting in a shared environment.Rate this question:
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- 7.
Combine living and nonliving - abiotic
- A.
Species
- B.
Biome
- C.
Ecosystem
- D.
Biosphere
- E.
Community
Correct Answer
C. EcosystemExplanation
The correct answer is ecosystem. An ecosystem is a community of living organisms (species) interacting with their nonliving environment (abiotic factors) in a particular area. It includes all the living and nonliving components of an environment and the relationships between them. A biome refers to a large geographical area with specific climate conditions and distinctive plant and animal communities. A biosphere refers to the global sum of all ecosystems on Earth. A community refers to a group of interacting species in a particular area. Therefore, ecosystem is the most appropriate term to describe the combination of living and nonliving components in an environment.Rate this question:
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- 8.
Where you live in the world
- A.
Species
- B.
Organism
- C.
Biome
Correct Answer
C. BiomeExplanation
The question is asking about where you live in the world, which refers to the specific region or area. Species, organism, and biome are all related to the study of different aspects of nature. However, out of these options, biome is the most appropriate term to describe the specific geographical area where you live, as it refers to a large community of plants and animals that occupy a distinct region with similar climate and vegetation.Rate this question:
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- 9.
Earth with all land and air
- A.
Biosphere
- B.
Biome
- C.
Community
- D.
Species
Correct Answer
A. BiosphereExplanation
The term "biosphere" refers to the part of the Earth where life exists, encompassing all living organisms and their interactions with the environment. It includes not only the land and air, but also the bodies of water. The biosphere is a complex system that supports a wide variety of species, which in turn form communities and biomes. Therefore, the answer "biosphere" is the most appropriate choice as it encompasses all the given elements.Rate this question:
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- 10.
Which of the following is not one of the 3 basic approaches ecologists utilize?
- A.
Observation
- B.
Lab
- C.
Method
- D.
Experiment
Correct Answer
B. LabExplanation
Ecologists utilize observation, lab, and experiment as the three basic approaches. The lab is not one of the approaches as it is a controlled environment where experiments are conducted, rather than an approach itself. In the lab, ecologists can manipulate variables and study the effects on organisms or ecosystems. This allows them to gain a deeper understanding of ecological processes and make more accurate predictions.Rate this question:
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- 11.
Observation
- A.
Creating an answer before asking a question
- B.
Using your senses to do an experiment
- C.
Creating a question that you want to answer
Correct Answer
C. Creating a question that you want to answerExplanation
The correct answer is creating a question that you want to answer. This is because observation involves using your senses to gather information, while creating an answer before asking a question would imply bias and lack of objectivity. On the other hand, creating a question that you want to answer demonstrates curiosity and a genuine interest in exploring a particular topic or problem.Rate this question:
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- 12.
Designing some kind of scenario appropriate for research
- A.
Experiment
- B.
Observation
- C.
Method
- D.
Carnivore
Correct Answer
A. ExperimentExplanation
An experiment involves designing a scenario appropriate for research in order to test a hypothesis or investigate a specific phenomenon. It typically involves manipulating variables and measuring the effects or outcomes. In this context, designing a scenario appropriate for research aligns with the concept of an experiment, as it involves setting up controlled conditions to observe and analyze the effects of certain factors. The other options like observation, method, and carnivore do not directly relate to the idea of designing a scenario for research.Rate this question:
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- 13.
Method
- A.
What, how where why
- B.
Design of experiment
- C.
How long it takes to do the experiment
Correct Answer
A. What, how where whyExplanation
The answer "what, how, where, why" is correct because these are the key components of the scientific method. "What" refers to the problem or question being investigated, "how" refers to the methodology or procedure used to conduct the experiment, "where" refers to the location or setting in which the experiment takes place, and "why" refers to the purpose or objective of the experiment. These four elements are crucial for designing and conducting a successful scientific experiment.Rate this question:
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- 14.
Photosynthesis
- A.
Make food in the presence of chemicals
- B.
Making food using soil from ground
- C.
Capture sunlight and convert to chemical energy and sugar
Correct Answer
C. Capture sunlight and convert to chemical energy and sugarExplanation
Photosynthesis is the process by which plants capture sunlight and convert it into chemical energy in the form of sugar. This process takes place in the chloroplasts of plant cells, where chlorophyll absorbs sunlight and uses it to drive the synthesis of glucose. The captured energy is stored in the chemical bonds of glucose molecules, which can then be used by the plant for growth, reproduction, and other metabolic processes. Therefore, the correct answer is "capture sunlight and convert to chemical energy and sugar."Rate this question:
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- 15.
Make food in the presence of chemicals - capture chemicals and convert it into sugar
- A.
Photosynthesis
- B.
Chemosynthesis
- C.
Chemical reaction
Correct Answer
B. ChemosynthesisExplanation
Chemosynthesis is the correct answer because it refers to the process of making food in the presence of chemicals. Unlike photosynthesis, where plants use sunlight to convert carbon dioxide and water into sugar, chemosynthesis occurs in environments devoid of sunlight, such as deep-sea hydrothermal vents. In chemosynthesis, organisms use chemicals like hydrogen sulfide or methane to produce energy-rich molecules, such as glucose, without the need for sunlight. Therefore, chemosynthesis is the most suitable explanation for making food in the presence of chemicals.Rate this question:
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- 16.
Producers - always starts a food chain
- A.
Heterotrophs
- B.
Autotroph
- C.
Canobacteria
Correct Answer
B. AutotrophExplanation
Autotrophs are organisms that can produce their own food using energy from the environment, such as sunlight. They are the primary producers in a food chain, as they are able to convert energy from the sun into organic compounds through photosynthesis. Heterotrophs, on the other hand, cannot produce their own food and rely on consuming other organisms for energy. Canobacteria is a misspelling of cyanobacteria, which are a type of autotrophic bacteria. Therefore, the correct answer is autotroph, as it is the only option that aligns with the given statement.Rate this question:
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- 17.
Heterotroph
- A.
Omnivore
- B.
Consumer
- C.
Decomposer
Correct Answer
B. ConsumerExplanation
A consumer is an organism that obtains energy by consuming other organisms. Heterotrophs are organisms that cannot produce their own food and rely on consuming other organisms for energy. Omnivores are a type of consumer that eat both plants and animals. Decomposers, on the other hand, break down dead organic matter and recycle nutrients back into the ecosystem. Therefore, out of the given options, consumer is the best fit for the term "heterotroph".Rate this question:
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- 18.
Herbivore
- A.
Only eat meat
- B.
Eat both plants and meat
- C.
Only eat plants
Correct Answer
C. Only eat plantsExplanation
The term "herbivore" refers to an animal that only eats plants. This means that they do not consume meat or any animal products. The given answer correctly states that herbivores only eat plants, which distinguishes them from carnivores (who only eat meat) and omnivores (who eat both plants and meat).Rate this question:
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- 19.
Meat eaters that get carbs from animals they eat are known as
- A.
Carnivores
- B.
Herbivores
- C.
Omnivore
Correct Answer
A. CarnivoresExplanation
Carnivores are meat eaters that obtain their carbohydrates from the animals they consume. Unlike herbivores, which primarily consume plant-based carbohydrates, carnivores rely on the carbohydrates present in the bodies of the animals they prey upon. Omnivores, on the other hand, consume both plant and animal matter, obtaining carbohydrates from both sources. Therefore, the correct answer is carnivores.Rate this question:
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- 20.
Omnivore
- A.
Eats both plants and meat
- B.
Eats only plants
- C.
Only eats meat
Correct Answer
A. Eats both plants and meatExplanation
An omnivore is a type of animal that has a diet consisting of both plants and meat. This means that it has the ability to consume and digest both plant-based foods and animal-based foods. Unlike herbivores, which only eat plants, and carnivores, which only eat meat, omnivores have the flexibility to obtain nutrients from both sources. This adaptability in diet allows omnivores to thrive in various environments and take advantage of a wider range of food sources.Rate this question:
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- 21.
Detrivore
- A.
Eats all living things
- B.
Eat decaying matter
- C.
Eat plants and meat
Correct Answer
B. Eat decaying matterExplanation
A detrivore is an organism that feeds on decaying matter. This includes dead plants, animals, and other organic material. Unlike other organisms that eat living things or a combination of plants and meat, detrivores specifically consume decomposing organic matter. They play a crucial role in the ecosystem by breaking down dead material and recycling nutrients back into the environment.Rate this question:
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- 22.
What is a fungus?
- A.
Producer
- B.
Consumer
- C.
Decomposer
Correct Answer
B. ConsumerExplanation
A fungus is classified as a consumer because it obtains its nutrients by breaking down and absorbing organic matter from its surroundings. Unlike producers, which can create their own food through photosynthesis, fungi rely on consuming organic material, such as dead plants or animals, for energy. Decomposers, on the other hand, are a specific type of consumer that specialize in breaking down dead organic matter. Therefore, the correct answer is consumer.Rate this question:
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- 23.
Arrange the terms in a food chain harvest mouse, marsh grasses, marsh hawk, grasshopper
- A.
Marsh grasses, hawk, grasshopper, mouse
- B.
Marsh grasses, grasshopper, mouse, hawk
- C.
Hawk, mouse,grasses, grasshopper
Correct Answer
B. Marsh grasses, grasshopper, mouse, hawkExplanation
The correct answer is marsh grasses, grasshopper, mouse, hawk. This is the correct arrangement of the terms in a food chain. In a food chain, the primary producers (marsh grasses) are eaten by primary consumers (grasshopper), which are then consumed by secondary consumers (mouse), and finally by tertiary consumers (hawk). This sequence represents the flow of energy and nutrients in the food chain, with each organism depending on the one before it for sustenance.Rate this question:
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Mar 20, 2023Quiz Edited by
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Oct 27, 2009Quiz Created by
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