In an average ecosystem, about how much energy is present in the organisms at a given trophic level compared to the organisms at the next higher trophic level?
A) a tenth as much
B) half as much
C) twice as much
D) ten times as much

Question

Quizplus · Accepted Answer

In an average ecosystem, energy transfer between trophic levels is inefficient, with only about 10% of the energy being passed on to the next level. Therefore, organisms at a given trophic level have about ten times as much energy as those at the next higher level.

In an Average Ecosystem, About How Much Energy Is Present