Apentix/AP Environmental Science/Unit 2: The Living World: Biodiversity/Question

AP Environmental Scienceeasymcq1 pt

Two forests each have 10 tree species. Forest A is 90% one species; Forest B is evenly mixed. Which has higher species diversity?

A.Forest B, because of higher evenness

B.Forest A, because it has a dominant species

C.They are equal

D.Impossible to compare

Explanation

Core Concept

Equal richness but greater evenness gives B higher diversity — a dominance-heavy community functions like a near-monoculture.

Correct Answer

AForest B, because of higher evenness

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