๐Ÿงฌap biology review

Biomass

Written by the Fiveable Content Team โ€ข Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated August 2025

Definition

The total mass of living organisms in a population or trophic level; changes in producer biomass directly affect the energy available to higher trophic levels.

AP course connection

Topic 8.2: 8.2 Energy Flow Through Ecosystems

Unit 8