FOREST ECOLOGY
FOREST SUCCESSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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. Which of the following is an example of primary succession?
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lichens growing on rocks following a volcanic eruption
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grasses growing after a forest fire
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oak trees replacing pine trees in a forest
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non-native species introduced into a climax community
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Explanation:
Detailed explanation-1: -Primary succession starts with bare rock, with lichens and moss. Fire is an example of primary succession.
Detailed explanation-2: -Primary succession occurs after a volcanic eruption or earthquake; it involves the breakdown of rocks by lichens to create new, nutrient-rich soils. The first species to colonize an area after a major disturbance are called pioneer species; they help to form the new environment.
Detailed explanation-3: -Primary succession on rocks is known as xerosere.
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