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Question
In xerarch succession which one of the following brings about initial weathering of rocks to form soil?
Options
Shrubs
Trees
Lichens
Herbs
MCQ
Solution
Lichens
Explanation:
Lichens and mosses are regarded pioneers of ecological secession, as their enzymic processes cause changes in the community. Xeric succession is a type of ecological succession on rocks in which weathering and soil formation are aided by enzymes released on the surface.
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