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Why is a food web a better representation of relationships within an ecosystem than a food chain? A. A food web shows that most organisms consume and are consumed by more than one organism. B. A food chain shows that most organisms consume and are consumed by more than one organism. C. A food chain shows only a single pathway of energy. D. A food web shows a single pathway of energy flow through the ecosystem.

Sagot :

A.

a food chain is almost never possible, as in any ecosystem most species are consumed by more than one species of a higher trophic level.
c. a food chain shows only a single pathway of energy