Topic 5 Review

1. How are a food chain and a food web different?

• A. A food chain shows only one path of energy flow whereas a food web shows all the possible food chains in an ecosystem.

• B. A food chain shows only one path of energy flow whereas a food web shows how much of the energy is transferred each time.

• C. A food chain shows all the possible ways energy flows in an ecosystem whereas a food web shows only one path of energy flow.

2. Which of the following shows the correct order of a food chain?

• A. Sun > Mouse > Grass > Owl

• B. Sun > Grass > Owl > Mouse

• C. Owl > Mouse > Grass > Sun

• D. Sun > Grass > Mouse > Owl

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NGSS.MS-LS2-3

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3. What do the arrows in a food chain or food web represent?

• A. The increasing size from one organism to another.

• B. The origin of all of the energy within an ecosystem.

• C. The direction of the flow of energy.

• D. All of the above.

Tags

NGSS.MS-LS2-3

4. If seals eat krill that feed on algae, which level in the pyramid below would the seal occupy?

• A

• B

• C

• D

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NGSS.MS-LS2-3

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5. Where is the most available energy represented on an energy pyramid?

• A. Top

• B. Bottom

• C. Middle

• D. All locations have the same amount of available energy

Tags

NGSS.MS-LS2-3

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6. A ____________________ is a system of many overlapping food chains.

• food chain

• producer

• food web

• energy pyramid

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NGSS.MS-LS2-2

7. A ____________________ is an organism that obtains energy from the Sun through the process of photosynthesis.

• producer

• primary consumer

• secondary consumer

• organism

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8. A ____________________ is an organism that can be either a carnivore or omnivore that feeds on primary consumers.

• producer

• primary consumer

• secondary consumer

• tertiary consumer

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NGSS.MS-LS2-3

9. Any living thing is considered to be a(n) ____________________.

• producer

• primary consumer

• secondary consumer

• organism

10. An herbivore that feeds on producers in order to obtain energy is an example of a ____________________.

• producer

• primary consumer

• secondary consumer

• tertiary consumer

Tags

NGSS.MS-LS2-2