Question

the energy flow in a food chain is always​

Answer 1

Heya❤

The energy flow in a food chain is always

$unidirectional$

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Answer 2

hii

the energy flow of food change is always unidirectional .Because the energy moves progressively through the various trophic levels and is no longer available to the previous trophic level. The energy captured by autotrophs does not revert back to the solar input.