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In a xerarch succession, who secrete acids to dissolve rock?

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in Biology – Class 12 by (271k points)
In a xerarch succession, who secrete acids to dissolve rock?

(a) Shrubs

(b) Herbs

(c) Mosses

(d) Lichens

I have been asked this question in final exam.

My doubt is from Ecosystem in portion Ecosystem of Biology – Class 12

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Correct option is (d) 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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