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Why does energy level at each …

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Why does energy level at each trophic level diminish progressively?

Posted by Aayushi Srivastava 5 years ago

CBSE > Class 10 > Science

2 answers

Anush Gupta 5 years ago

Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level.

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Yogita Ingle 5 years ago

At every trophic level a large amount of energy is lost in form of heat for maintaining metabolic activities and lost as heat. The amount of heat lost is generally 90 percent and the amount of energy retained is available from the previous trophic level to the next. The decline in energy level leads to :

i Lesser number of organisms in each trophic level.

ii Limited number of trophic level in food chains

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CBSE > Class 10 > Science