7th Grade Food Chains and Webs Flashcard

Front

What is a food chain?

Back

A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

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What is a food web?

Back

A food web is a complex network of interconnected food chains that shows how different organisms are related through feeding relationships.

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What are producers?

Back

Producers are organisms, like plants, that create their own food through photosynthesis and serve as the base of the food chain.

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What are primary consumers?

Back

Primary consumers are herbivores that eat producers (plants) in a food chain.

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What are secondary consumers?

Back

Secondary consumers are carnivores that eat primary consumers in a food chain.

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What are tertiary consumers?

Back

Tertiary consumers are carnivores that eat secondary consumers in a food chain.

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What is an ecosystem?

Back

An ecosystem is a community of living organisms and their physical environment interacting as a system.

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What role do decomposers play in an ecosystem?

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Decomposers break down dead organic material, returning nutrients to the soil and helping to recycle matter in the ecosystem.

Front

What are scavengers?

Back

Scavengers are animals that consume dead organisms, helping to clean up the environment.

Front

What is the significance of arrows in a food web?

Back

Arrows in a food web indicate the direction of energy flow from one organism to another.