What key factor limits the number of trophic levels in an ecosystem?
A) Maximum solar radiation
B) Energy loss
C) Herbivore size
D) Predator size
E) Climate

Question

Quizplus · Accepted Answer

Energy loss through trophic levels limits the number of levels in an ecosystem. According to the second law of thermodynamics, energy is lost as heat with each transfer, reducing the amount available to higher trophic levels.

What Key Factor Limits the Number of Trophic Levels in an Ecosystem