Question

The flow of energy in food chain is always ________.

Answer 1

Answer:

temporary

Explanation:

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Answer 2

Answer:

The flow of energy in food chain is always unidirectional.

Explanation:

The energy which passes to the herbivores does not come back to the autotrophs. The energy that is captured by the autotrophs does not revert back to the Sun. Therefore, in the food chain, the energy moves progressively through various trophic levels.