๐Ÿงฌap biology review

Carbon cycle

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 biogeochemical cycle through which carbon atoms are recycled between the atmosphere, organisms, and the Earth's systems via photosynthesis, cellular respiration, decomposition, and combustion.

AP course connection

Topic 8.2: 8.2 Energy Flow Through Ecosystems

Unit 8