Question

ulert
that falls
TES b
of energy in food chain is bi-direction.​

Answer 1

The flow of energy in the ecosystem is said to be unidirectional because the energy lost as heat from the living organisms of a food chain cannot be reused by plants in photosynthesis.

Answer 2

The flow of energy is from prey to predator and it cannot be in the reverse direction. Hence the flow of energy is unidirectional.