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Question

At each trophic level, in which form is the energy lost?

A
Heat
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B
Chemical
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C
Light
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D
None of the above
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Solution

The correct option is A Heat
Energy transformations are governed by the second law of thermodynamics. It simply states that whenever energy is transformed, there is a loss of energy in the form of heat. Similarly energy is lost as heat when it is transferred from one trophic level to another in a food chain/ food web.

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