In a xerarch succession, who helps in weathering and soil formation?

Category: QuestionsIn a xerarch succession, who helps in weathering and soil formation?
Editor">Editor Staff asked 4 days ago

In a xerarch succession, who helps in weathering and soil formation?
 
(a) Mosses
 
(b) Herbs
 
(c) Lichens
 
(d) Shrubs
 
The question was asked in an international level competition.
 
This question is from Ecosystem topic in division Ecosystem of Biology – Class 12

1 Answers
Editor">Editor Staff answered 4 days ago

Correct answer is (c) Lichens
 
The explanation is: The sequence of successional stages occurring on bare rocks is known as xerarch succession. In a xerarch succession, the pioneering species lichens release acids to dissolve rocks. This helps in weathering and soil formation.