Question

How does the amount of energy available at each trophic level affect the structure of an ecosystem?

Answer 1

Ten percent from the previous level.

Explanation:

The flow of energy in an ecosystem is unidirection. The energy flows from the produces i.e., green plants to the top consumers and finally decompsed by the decomsoers. At each trophic level] the flowing energy is utilised by vital actvities of the organismsms and some amount of energy is also dissipated. Only ten percent energy reaches to the next upper level of trophic.
Thank You.