Question

choose the correct answer. part of the pathway of energy through ecosystems is as follows light → chemical → mechanical. what is the last pathway for energy? heat air water

Explanation:

In ecosystems, after energy is converted from light to chemical and then to mechanical, it is ultimately dissipated as heat. This is due to the second - law of thermodynamics which states that energy transformations are not 100% efficient and some energy is always lost as heat.

Answer:

heat