What is the difference between a food web and a food chain? Why do you think that we very seldom see food chains longer than 4 levels? Why do food webs and food chains depend on primary producers?
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The difference between a food web and a food chain: A food chain is a linear sequence of organisms through which nutrients and energy pass as one organism eats another. In a food chain, each organism occupies a specific trophic level or position in the chain. A Show more…
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