ECOLOGY
BIOMES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The soil is already present, so pioneer species grow very quickly
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Happens after a disturbance to an ecosystem, such as a forest fire or flood
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A climax community can be reached relatively quickly, in 150-200 years
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This type of succession starts on new land, so it takes much longer to occur
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Detailed explanation-1: -Primary succession, as the name indicates starts on bare, lifeless land where there was no vegetation before.
Detailed explanation-2: -Ecological Succession : Example Question #1 Which of the following is an example of primary succession? Explanation: Primary succession commonly occurs after a volcanic eruption or a glacier recedes, because these areas have been stripped of organic matter.
Detailed explanation-3: -Primary succession occurs in an area that has not been previously occupied by a community. Places where primary succession occurs include newly exposed rock areas, sand dunes, and lava flows. Simple species that can tolerate the often-harsh environment become established first.
Detailed explanation-4: -Primary succession is ecological succession that begins in essentially lifeless areas, such as regions in which there is no soil or where the soil is incapable of sustaining life (because of recent lava flows, newly formed sand dunes, or rocks left from a retreating glacier).