♻️ap environmental science review

Population Size

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

Population size refers to the total number of individuals of a particular species in a given area at a specific time. It is an important factor in understanding the dynamics and interactions within ecosystems.

AP course connection

Topic 2.4: 2.4 Ecological Tolerance

Unit 2
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