Home Biology Ecosystem NCERT In autogenic succession
Biology Ecosystem NCERT Single Correct MCQ
Published on: August 12, 2026

In autogenic succession

A
early and continued dominance of autotrophic organism takes place like green plants
B
replacement of existing communities cause largely by any other external condition
C
early dominance of heterotrophs takes place such as bacteria, fungi and other animals
D
community itself modifies its own environment thus causing its own replacement by new communities

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The correct answer is:
D

In autogenic succession, the existing community changes the environment (soil, shade, moisture), leading to replacement by new communities. Thus, succession is driven by changes caused by the community itself.

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