Food Web and Food Chain Review

What is a producer?

• an organism that gets energy from eating other organisms
• an organisms that uses sunlight to make its own food
• an organism that gets energy from eating dead organisms, non-living material or waste

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An organism that gets energy from eating other organisms is a ______________

• producer
• consumer
• decomposer

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A connection of food chains with many food energy paths in an ecosystem is a ____________

• ecosystem
• food web
• environment

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Which of the following is producer/autotroph?

• rabbit

• frog

• tree

• worm

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Using the food web what would happen if the eagle became extinct?

• The frog population would decrease.

• The frog population would increase.

• The butterfly population would increase.

• The snake population would decrease.

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The number of organisms at the top of the energy pyramid are usually smaller because the hawk

• needs more energy

• has more predators

• have more offspring

• eat producers

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What % of energy is passed from organism to organism?

• 100%

• 10%

• 5%

• 25%

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The graph shows that

• wolf population control the rabbit population

• the rabbit population control the wolf population

• the two populations do not affect each other

• wolves do not hunt rabbits

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