Differentiate between primary and secondary ecological succession.
Differentiate between primary and secondary ecological succession.
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| S.No. | Primary Succession | Secondary Succession |
| 1. | Starts where no living organism existed previously. | Starts where life existed earlier and got lost.
|
| 2. | New biotic communities are formed on bare rock/ lava and so it is slow. | Some soil sediments with propagules present and so it is faster. |
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