An insect eats a leaf. explain how the insect depends on the sun for energy.

First of all plants get their energy from the sun and Chlorophll collects it then the Chloroplast obtains it then they get their enrgy. So, If an insect eats a leaf it would of course obtain the plant's energy from the sun itself. Also, a plant is and insect main food source. (Hope this helps).

Because people are wasting it