Food Chain

How is a food web different from a food chain?

• Food webs contain only producers, not consumers.

• Food webs do not include decomposers.

• Food webs contain many different, linked food chains.

• Food webs exist in aquatic environments; food chains exist in terrestrial environments.

Through what process do producers (plants) make their own food?

• Parthenogenesis

• Photosynthesis

• Meiosis

• Mitosis

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NGSS.MS-LS1-6

How are primary consumers different from secondary consumers?

• Primary consumers eat only plants; secondary consumers eat other consumers.

• Primary consumers eat other consumers; secondary consumers eat only plants.

• Primary consumers eat plants and other consumers; secondary consumers eat plants and decompose matter.

• Primary consumers eat plants and decompose matter; secondary consumers eat plants and other consumers.

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Sheep are herbivorous. What can you infer from this?

• They are primary consumers.

• They are producers.

• They are secondary consumers.

• They are decomposers.

Where do all life forms get their energy?

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A living thing that breaks down the remains of other living things is a (a)   .

An animal that eats other animals is a (a)   .

Recently, a family of wolves moved into an area with a large deer population. What changes may occur in the ecosystem?

• The deer population may increase

• The deer population may decrease

• The deer population may increase first, then decrease

• The deer population will remain the same

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Where does the energy start in the food chain?

• Plants

• Sun

• Primary Consumers

• Secondary Consumers

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Explain how a food chain works.

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