Question

which type of lichen usually appears first in the sequence of xerarch succession
A.fruticose lichens
B.crustose lichens
C.folise lichens
D.none

Answer 1

the lichen that usually appear first in the sequence of xerarch sucession is B: crustose lichen .
the reason for these is the fist stage of xerarch succession is lithosere which start on bare rocks.

Answer 2

The question given to us is to find the type of Lichen that appears first in the sequence of xerarch succession.

From the given options B) Crustose Lichens is the correct answer.

The reason behind this is that the lithosphere comes after the first stage of xerarch succession.

This whole thing starts on bare rocks.