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Lichens play important role in biologica...

Lichens play important role in biological succession and soil formation. Give the reason.

Text Solution

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1. Lichens growing on rocks secrete organic acids like oxalic acid. The acids enter the rock and produce a number of honey comb-like small crevices.
2. Moss spores are able to grow over such crevices and start the process of succession and soil formation.
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