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Which one of the following statements is correct for secondary succession?A. It occurs on a deforested siteB. It following primary successionC. It is similar to primary succession except that it has a relatively fast paceD. If begins on bare rock |
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Answer» Correct Answer - A Secondary succession or subsere is ecological succession that takes place in a recently denuded area which still contains a lot of organic debris, remains and propagules of previous living organisms. It is more common and caused by baring of an area due to forest fires, deforestation excessive over grazing landslides, earthquakes, repeated floods, etc. only 50-100 yrs are required for establishment of a grassland over a recenntly denuded area. Formation of forest requires 100-200 yrs. |
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