Question

Energy slow in a food chain is always unidirectional explain why

Answer 1

The flow of energy in food chain is unidirectional. 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 through various tropic levels. The energy is no longer available to the previous tropic level. Thus, the flow of energy in food chain is unidirectional

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