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Lichens are called pioneer colonisers of bare rock. How can they help in formation of soil?

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asked Sep 16, 2017 in Biology by Golu (37,045 points) ● 19 ● 169 ● 606

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answered Sep 16, 2017 by Ankit Agarwal (28,847 points) ● 7 ● 33 ● 104
selected Sep 17, 2017 by Golu
 
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Lichens release chemical substances to break the rocks into smaller particles and hence make soil.
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