Why does the amount of energy in an ecosystem decrease from one trophic level to the next?
Select all that apply.
The organism may not have been eaten, it decomposes instead.
It is released as heat.
It is destroyed.
It is used by the organism to carry out life processes.
Energy decreases as it moves up trophic levels because energy is lost as metabolic heat when the organisms from one trophic level are consumed by organisms from the next level.
