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2007-11-18 11:40:01 · 0 answers · asked by Joe 1 in Science & Mathematics ➔ Biology
Primary succession occurs when organisms colonize a pristine habitat, one where there has never been life before. Examples include a lava flow or a retreated glacier. Secondary succession, on the other hand, takes place after a significant disturbance to a habitat, such as a flood or forest fire that has significantly reduced the populations of multiple species.
2007-11-20 19:31:22 · answer #1 · answered by DavidK93 7 · 4⤊ 3⤋
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Primary succession occurs when a major, catastrophic disturbance (glacial retreat, volcanic eruptions, etc.) destroys all the plants in an area, allowing other species to colonize. Secondary succession occurs when a disturbance (fire, windstorms, etc.) occurs but does not wipe out all the plants in an area, leaving behind a seedbank or a number of vegetative propagules.
2016-03-29 15:48:01 · answer #2 · answered by Anonymous · 0⤊ 0⤋
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2014-03-27 08:31:35 · answer #3 · answered by Anonymous · 1⤊ 0⤋