Question

flow of energy in a food chain is unidirectional

Answer 1

The energy enters the plants from the sun through the photosynthesis process. This energy is then passed on from one organism to another in a food chain. ... During the transfer of energy through successive trophic levels in an ecosystem, there is a loss of energy all along the path.

Answer 2

Answer:

at each topic level only 10% of energy is passed on to the next and the rest is either utilized for its own metabolic activities or is lost in the environment has heat. lost energy is not return to the previous level