What is the direction of flow of energy in an ecosystem?

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

Answer 2

Unidirectional on d basis of 10%law given by Lindeman in 1942