Only about ________ of the kilocalories in a trophic level is passed to the next trophic level (e.g. from autotroph to primary consumer).
A) 5%
B) 10%
C) 15%
D) 20%

Question

Quizplus · Accepted Answer

Only about 10% of the energy is passed on to the next trophic level. This phenomenon is known as the 10% rule or the ecological efficiency. The remaining energy is lost as heat during metabolic processes or used for growth and reproduction by organisms at each trophic level.

Only About ________ of the Kilocalories in a Trophic Level