It has about 5% of the energy from the level below it. It has about 10% of the energy from the level below it. It has about 15% of the energy from the level below it. It has about 20% of the energy from the level below it.
I gave my students this multiple choice question: How does the energy in each trophic level of an energy pyramid compare to the energy in the preceding level?

Only one answer is correct among these 4 choices:
- It has about 5% of the energy from the level below it.
- It has about 10% of the energy from the level below it.
- It has about 15% of the energy from the level below it.
- It has about 20% of the energy from the level below it.

Could you tell me which one is correct?

It has about 10% of the energy from the level below it.