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3 March, 07:48

Why is it useful for an ecologist to identify the keystone species in an ecosystem?

A. The keystone species is only important in early stages of succession, and so the ecologist can safely ignore changes in its population at later stages.

B. The keystone species is the most susceptible to pollution, and so its numbers give an indication of the levels of pollutants in an area.

C. The keystone species is critical to maintaining the stability of an ecosystem, and changes in its population indicate changes in ecosystem health.

D. The keystone species is important for the cycling of matter and must be maintained or the biogeochemical cycles will be affected.

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Answers (2)
  1. 3 March, 08:06
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    The correct answer is C. The keystone species is critical to maintaining the stability of an ecosystem, and changes in its population indicate changes in ecosystem health.
  2. 3 March, 08:07
    0
    It is useful for an ecologist to identify the keystone species in an ecosystem because the keystone species is critical to maintaining the stability of an ecosystem, and changes in its population indicate changes in ecosystem health. This makes the correct answer C.
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