The growth of which of the following usually occurs first in primary succession on a bare rock?
A B C D
Lichens Grasses Trees Shrubs
Question: The growth of which of the following usually occurs first in primary succession on a bare rock?
(A) Lichens
(B) Grasses
(C) Trees
(D) Shrubs

Answer: (A) Lichens
Answer: (B) Grasses
Question: The growth of which of the following usually occurs first in primary succession on a bare rock?
(A) Lichens
(B) Grasses
(C) Trees
(D) Shrubs
Answer: (A) Lichens