Question

using the 10% rule when studying trophic pyramids, if the primary consumers obtain 100 joules of energy, how much energy do the herbivores have? 100 joules 16 joules 30 joules

Explanation:

Step1: Recall the 10% rule

The 10% rule states that only about 10% of the energy is transferred from one trophic - level to the next. Primary consumers are herbivores. If we assume the energy they receive is what we are looking for and they have obtained 100 Joules of energy, then the answer is simply the amount of energy they have.

Answer:

100 Joules