Given reason ? why food chain cannot have mor than four tropic levels.

1.	Given reason ? why food chain cannot have mor than four tropic levels.
Answer» tion:Energy is passed up a food chain or web from lower to HIGHER trophic levels. ... This LOSS of energy explains why there are rarely more than four trophic levels in a food chain or web. Sometimes there may be a FIFTH trophic level, but USUALLY there's not enough energy left to support any ADDITIONAL level

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