FOREST ECOLOGY
FOREST SUCCESSION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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They are completely heterotrophic
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They do not appear until animals arrive
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They modify their environment
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The only exist in tropical biomes
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Detailed explanation-1: -Based on the data in the graph, what will happen to an ecosystem after its climax community has been destroyed? Which statement best describes a pioneer population found in the beginning of ecological succession? They are completely heterotrophic.
Detailed explanation-2: -Explanation: Primary succession occurs in an environment without previous life, or a barren habitat. The first organisms to grow (called pioneer species) are fast growing, hardy species.
Detailed explanation-3: -The first stage of succession involves pioneer species. In primary succession, pioneer plants are those that can grow without soil, such as lichens. Lichens begin breaking down a rock. Seasonal cycles of freezing and thawing form cracks in the rock.
Detailed explanation-4: -Pioneer species help in ecological succession by preparing an environment for later species. In primary succession, pioneer species move into barren, rocky landscapes that cannot support other living species. They help to break down rocks into soil and then enrich the soil with decaying organic matter when they die.