Interactions of Living Things

A primary consumer

• eats plants

• gets its energy from the sun

• is the smallest organism in a food chain

• has the largest amount of energy in a food chain

Decomposers

• feed off of living organisms

• recycle matter from dead organisms

• are parasites that live on animals

A grasshopper eats grass. The grasshopper is then eaten by a frog. The grasshopper is considered a

• producer

• primary consumer

• tertiary consumer

• secondary consumer

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Organisms in a food chain get their energy from the

• moon

• soil

• plants

• sun

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What role would bacteria serve in a food chain?

• producer

• primary consumer

• decomposer

• tertiary consumer

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What percent of energy is transferred at each energy level?

• what's energy

• none

• 90%

• 10%

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In a food chain, which level is the energy the greatest?

• primary consumers (they get to eat first!)

• tertiary consumers (they are at the top!)

• producers (there's more of them!)

• carnivores

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Primary consumers

• use the sun's energy to make their own food

• eat plants

• are the smallest organisms in a food chain

• feed on dead organisms

Tags

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Which organism would have the LEAST amount of TOTAL energy available to it?

• owl

• rabbit

• grass

• lion

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If grasshoppers were eliminated, which population would INCREASE?

• spiders

• snakes

• mice

• grass

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