Question

energy flow in an ecosystem is one way. why ?

Answer 1

1.the sun is the most important source of energy in any ecosystem
2.green plants if ecosystem store some Of The solar energy in the form of food
3.before reaching the decomposer,this energy is passed on from one tropic level to the next
4.decomposers dissipate(release)some amount of energy in the form of heat. However, no part of energy ever returns to the sun. Hence,such passage of energy is referred to as ‘One way’transport.