AP Environmental Scienceeasymcq1 pt

During succession, the earliest stages typically have

A.low biomass and simple structure
B.maximum biomass and complexity
C.deep, mature soils
D.stable, unchanging composition

Explanation

Core Concept

Pioneer stages hold little biomass and few layers; complexity and standing biomass build with each seral stage toward climax.

Correct Answer

Alow biomass and simple structure

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