Question

Energy transfer is said to be unidirectional where as biochemical transfer is saidbe cyclic.why

Answer 1

• Energy transfer is said to be unidirectional because when the energy is absorbed by autotrophs from the sun, it is never reabsorbed by it.
• Similarly when consumers eat up the producers directly or indirectly the energy transferred in this process can never be reversed in the food chain. In biogeochemical cycles chemical elements move from environment to organism and back to the environment.

Answer 2

Explanation:

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