Question

In autogenic succession,

• A. The community itself modifies its own environment thus causing its own replacement by a new community.
• B. Early dominance of heterotrophs.
• C. Replacement of existing communities due to external conditions.
• D. Early and continued dominance of autotrophic organisms.
• E. There is previously built substratum with already existing matter.

Answer 1

The correct option is A The community itself modifies its own environment thus causing its own replacement by a new community.

Auto means self. Genic means to produce. In autogenic succession, the biotic that are present in the ecosystem of that community. The members of that community cause various changes so that ecological succession starts.

So, option A is the correct answer.