Food Chains Are Sometimes Short Because

question 73

Multiple Choice

Food chains are sometimes short because

• A) only a single species of herbivore feeds on each plant species.
• B) local extinction of a species causes extinction of the other species in its food chain.
• C) most of the energy in a trophic level is lost as it passes to the next higher level.
• D) predator species tend to be less diverse and less abundant than prey species.
• E) most producers are inedible.

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Definitions:

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