. When the succession starts on a barren land, it is called

(a)           primary succession.                         

(b)          secondary succession.

(c)           hydrarch succession.        

(d)          xerarch succession.

Best Answer

(a)      primary succession.

Explanation When the succession starts on a barren land not inhabited by any organism, it is known as primary succession. This could mean invasion of life in areas where there is no life at all like rock surface, desert, volcanic ash etc. The area receives living spores or seeds or any other propagules from the environment somehow and that forms the first sere.

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