Ecology Photosynthesis and Food Chains

An example of a producer is a

• fungus.

• animal.

• plant.

• person.

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The diagram is intended to show relationships in an ecosystem. What do the arrows represent?

• The direction of population migration

• Differences in dietary habits

• Progressively smaller organisms

• The direction of the energy flow

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An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph

• Producer

• Consumer

• Mutualist

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An organism that gets energy from breaking down dead organisms, non-living material or waste is a(an) ___________.

• producer

• consumer

• decomposer

• autotroph

Why might an organism have more than one arrow coming from them in a food web?

• More than one organism may eat them. 

• They may eat more than one other organism. 

• This organism gets its energy from multiple sources. 

• They have no resources available to them.

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The energy within a food chain is transferred by organisms eating and being eaten.

• True

• False

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Way of showing how the energy from food moves through populations of organisms in a community

• food chain

• ecosystem

• food web

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In this food chain, which of the following is a consumer (check all that apply)

• plant

• mouse

• snake

• hawk

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In the food chain, which of the following is a producer?

• plant

• mouse

• snake

• hawk

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Select each living thing that is prey in this food chain.

• plant

• mouse

• snake

• hawk

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