Which one of the following statements is correct for secondary succession?

Options

A. It occurs on a deforested site
B. It following primary succession
C. It is similar to primary succession except that it has a relatively fast pace
D. If begins on bare rock

Answer

A

Explanation

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.