Question

Energy in food chain is unidirectional. Explain?
I want the ans as soon as possible... pls

Answer 1

food chain is unidirectional as the energy supplied can not come back
for eg: when any organism eat plants then energy supplied to that organism can not be transfered back to plants.
hope it helped!!!!

Answer 2

bcz if once energy is transfered ,it does not come to same organism and if received it is'nt received in same amount . hope my answer satisfies uh :)