Biomass is the total mass of organisms at a trophic level.
Trophic level refers to the organisms position in the food chain.
A biomass' position in the food chain is a trophic level.
What is a biomass' position in the food chain called?
Options:
  - ecosystem
  - more abundant
  - action
  - food swamp
  - Chemical energy
  - Trophic level
  - permineralization
  - It decreases