In nature, approximately ________ of the calories in plant matter survive from the primary to the secondary trophic (feeding, nutrition) level.
A) 10 percent
B) 30 percent
C) 50 percent
D) 90 percent

Question

Quizplus · Accepted Answer

Only about 10% of the energy from one trophic level is transferred to the next trophic level. This is known as the 10% rule. Therefore, only 10% of the calories in plant matter survive from the primary to the secondary trophic level.

In Nature, Approximately ________ of the Calories in Plant Matter