♻️ap environmental science review

Biodiversity

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

Biodiversity refers to the variety of living organisms in a particular ecosystem or on Earth as a whole. It includes diversity within species, between species, and of ecosystems.