Question
Differentiate between primary and secondary succession.

Answer

S.No.
Primary Succession
Secondary Succession
(i)
The ecological succession that takes place in a place, where no life existed before, is called primary succession.
The ecological that takes place in a region where life existed in the past but got wiped out completely is called secondary succession.
(ii)
It is comparatively slow as suitable soil has to be formed.
It is comparatively faster as soil or sediment is already present.

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