What is a good explanation for the '10%
rule'?
A. 90% of the energy goes to the next level of the energy
pyramid.
B. 10% of the energy goes to the next level of the energy
pyramid.
C. Producers make up 90% of an ecosystem.
Answer: B) 10% of the energy goes to the next level of the energy
Explanation: The 10% Rule means that when energy is passed in an ecosystem from one trophic level to the next, only *ten percent* of the energy will be passed on.
