Who replaces the lichens in a xerarch succession?

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Editor">Editor Staff asked 4 days ago

Who replaces the lichens in a xerarch succession?
 
(a) Herbs
 
(b) Mosses
 
(c) Shrubs
 
(d) Forest
 
This question was posed to me in quiz.
 
Question is from Ecosystem in division Ecosystem of Biology – Class 12

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Editor">Editor Staff answered 4 days ago

Right choice is (b) Mosses
 
Easiest explanation: The sequence of successional stages occurring on bare rocks is known as xerarch succession. The pioneering species lichens are replaced by mosses in a xerosere. Some examples of mosses are Tortula, Grimmima, Polyerichum, etc.