1.

Distinguish between the following :Primary and secondary succession.

Answer»
Primary successionSecondary succession
1. The primary succession starts in the area where no living organisms ever existed.1. The secondary succession starts in an area which has lost all the living organisms once existed.
2. Areas where primary succession starts are bare rock, newly formed pond, newly cooled lava, etc.2. Abandoned farm, cut or burnt forest, flooded land’, etc. are areas where secondary succession begins.
3. Primary succession is a very slow process.3. Secondary succession is comparatively a faster process.


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