Energy Transfer in Food Webs

What is the primary role of producers in a food web?

• To decompose organic matter

• To convert solar energy into chemical energy

• To consume other organisms

• To recycle nutrients

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Which of the following organisms is typically a consumer in a food web?

• Grass

• Rabbit

• Mushroom

• Sunflower

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In a food web, what is the role of decomposers?

• To produce energy from sunlight

• To break down dead organisms and recycle nutrients

• To hunt and eat other animals

• To compete with producers for sunlight

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Which of the following best illustrates the flow of energy in a food web?

• Sun → Decomposers → Consumers → Producers

• Sun → Producers → Consumers → Decomposers

• Consumers → Producers → Decomposers → Sun

• Decomposers → Consumers → Producers → Sun

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What happens to the energy that is not transferred to the next trophic level in a food web?

• It is destroyed

• It is stored indefinitely

• It is lost as heat

• It is converted back to sunlight

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Which of the following is an example of a producer in a food web?

• Lion

• Oak tree

• Earthworm

• Eagle

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How do consumers obtain energy in a food web?

• By photosynthesis

• By consuming other organisms

• By decomposing organic matter

• By absorbing sunlight

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Which of the following organisms would be considered a decomposer?

• Grasshopper

• Fungi

• Deer

• Hawk

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In a food web, which of the following is a direct source of energy for consumers?

• Sunlight

• Producers

• Decomposers

• Water

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What is the relationship between producers and consumers in a food web?

• Consumers produce energy for producers

• Producers provide energy for consumers

• Both compete for sunlight

• Both decompose organic matter

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