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Why does modeling ecosystems as food webs, rather than simple food chains, better capture how they actually work?

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1. Why does modeling ecosystems as food webs, rather than simple food chains, better capture how they actually work?

Real ecosystems rarely follow one single linear pathway of energy flow, and webs better capture how removing one species can ripple unpredictably through many others

Food webs and food chains describe identical, interchangeable models with no practical difference

Real ecosystems always follow a single strict linear energy pathway, matching a food chain exactly

Removing a single species from an ecosystem never affects any other species

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Why does modeling ecosystems as food webs, rather than simple food chains, better capture how they actually work?

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