AP Environmental Sciencemediummcq1 pt
Beavers build dams that create ponds. Beaver ponds increase which diversity type most directly?
A.Ecosystem diversity
B.Genetic diversity within beavers
C.Species evenness only
D.No type of diversity
Explanation
Core Concept
Beavers engineer new wetland habitat, adding an ecosystem type to the landscape — a keystone effect on habitat variety.
Correct Answer
AEcosystem diversity
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