ECOLOGY
ECOSYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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remains stable as long as major environmental factors (climate, human interference) remain constant.
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changes gradually because each species responds differently to the changing environment.
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changes from a diverse community in which many plants are common to one in which a few species are numerically dominant.
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changes until forest is established and a single species remains.
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Detailed explanation-1: -Ecological succession is the gradual and fairly predictable change in the species composition of a given area. During succession, some species colonies area and their population become more numerous, whereas, the population of other species declines and even disappears.
Detailed explanation-2: -Ecological succession is the process by which the mix of species and habitat in an area changes over time. Gradually, these communities replace one another until a “climax community”-like a mature forest-is reached, or until a disturbance, like a fire, occurs. Ecological succession is a fundamental concept in ecology.
Detailed explanation-3: -Assertion :During an ecological succession, the number of species increases, the community biomass increases and the community’s ratio of respiration to photosynthesis also increases.
Detailed explanation-4: -At each stage, new species move into an area, often due to changes to the environment made by the preceding species, and may replace their predecessors. At some point, the community may reach a relatively stable state and stop changing in composition.