Correct sequence of stages of succession on a bare rock is:
1) Lichens → Mosses → Grasses → Shrubs → Trees
2) Trees → Shrubs → Lichens → Mosses → Grasses
3) Mosses → Shrubs → Trees → Lichens → Grasses
4) Mosses → Lichens → Grasses → Shrubs → Trees.

Options

A. Lichens `to` Mosses `to ` Grasses `to` Shrubs `to` Trees
B. Trees `to` Shrubs `to` Lichens `to` Mosses `to` Grasses
C. Mosses `to` Shrubs `to` Trees `to` Lichens `to Grasses
D. Mosses `to` Lichens `to` Grasses `to` Shrubs `to` Trees

Answer

A