Practice problem
What is the 10% rule?
When energy is passed up a trophic level, 10% of the energy is lost.
When energy is passed up a trophic level, 90% of the energy is lost.
When energy is passed down a trophic level, 10% of the energy is lost.
When energy is passed down a trophic level, 90% of the energy is lost.
Type a concept, like “slope” or “photosynthesis”.
