What measure is the total mass of organisms at a trophic level?
- Correct Answer: biomass
- phosphorus
- detritus
- atomic mass
Explanation: Biomass is the total mass of organisms at a trophic level. With less energy at higher trophic levels, there are usually fewer organisms as well. This is also represented in the pyramid in Figure above . Organisms tend to be larger in size at higher trophic levels. However, their smaller numbers result in less biomass.
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