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

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in Biology – Class 12 by (271k points)
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 Answer

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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.

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