Question

Correct sequence of stages of succession on a bare rock is

• A. Lichens $\rightarrow$ Mosses $\rightarrow$ Grasses $\rightarrow$ Shrubs $\rightarrow$ Trees
• B. Trees $\rightarrow$ Shrubs$\rightarrow$ Lichens $\rightarrow$ Mosses $\rightarrow$ Grasses
• C. Mosses Shrubs $\rightarrow$ Trees$\rightarrow$ Lichens $\rightarrow$ Grasses
• D. Mosses $\rightarrow$ Lichens $\rightarrow$ Grasses $\rightarrow$ Shrubs $\rightarrow$ Trees

Answer 1

Answer: (A)

Lichens $\rightarrow$ Mosses $\rightarrow$ Grasses $\rightarrow$ Shrubs $\rightarrow$ Trees

Answer 2

The various serai stages of lithosere (succession on bare rock) are as follows: Lichens (Pioneer community) $\rightarrow$ Mosses $\rightarrow$ Annual grasses$\rightarrow$ Perennial grasses $\rightarrow$ Shrubs $\rightarrow$ Trees (Climax community).