During the process of ecological succession, the changes that take place in communities are

Options

A. orderly and sequential
B. random
C. very quick
D. not influenced by the physical enviroment.

Answer

A

Explanation

Biotic or ecological succession is the natural development of a series of biotic communities at the same site, one after the other till a climax community develops which does not change further because it is in perfect harmony with the enviroonment of the area. The change is orderly and sequential. The first biotic community which develops in a bare area is called pioneer community which develops in a bare area is called pioneer community is a stable, self perpetuating and final biotic community. It develops at the end of biotic succession and is in complete equilibrium with the prevailing environment. The establishment of climax stage is called stabilisation.