You are presented with the question "What is a biomass' position in the food chain called?" and the following answer choices: 
- ecosystem
 - more abundant
 - action
 - food swamp
 - Chemical energy
 - Trophic level
 - permineralization
 - It decreases

Now knowing that biomass is the total mass of organisms at a trophic level and trophic level refers to the organisms position in the food chain, choose the best answer.


 

      Trophic level   