Question
Differentiate between primary and secondary succession.
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S.No.
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Primary Succession
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Secondary Succession
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(i)
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The ecological succession that takes place in a place, where no life existed before, is called primary succession.
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The ecological that takes place in a region where life existed in the past but got wiped out completely is called secondary succession.
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(ii)
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It is comparatively slow as suitable soil has to be formed.
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It is comparatively faster as soil or sediment is already present.
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| column I | Column II | ||
| (a) | Connecting link between ape and man | (1) | Homo erectus |
| (b) | Ape man | (2) | Homo habilis |
| (c) | Handy man like. | (3) | Neanderthal man |
| (d) | Advaneed prehistoric man. | (4) | Australopithecus |