Biomass is the total mass of what at a trophic level?
Options:
- (A) Plants growth
- (B) peachleaf willow
- (C) Conifers
- (D) animals
- (E) living things
- (F) Most plants
- (G) all matter
- (H) insects OK. Let's think hard:
Biomass is the total mass of organisms at a trophic level. An organism is a living thing. Biomass is the total mass of living things at a trophic level.
So, the final answer is (E).