Answer to Question #234447 in Human geography for uran

Question #234447

why do food chains rarely get longer than four or five levels?


1
Expert's answer
2021-09-23T13:32:48-0400

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 levels.


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