Which statement best describes a keystone species? O A. It is the largest population in the community. B. It occupies the highest trophic level in the community C. Its absence would affect many organisms in the community. O D. It is the largest animal in the community.
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Step 1: Keystone species are important in maintaining the ecosystem because their absence can have a significant impact on other organisms in the community. Show more…
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Keystone species $a$ influence the structure of the communities in which they live more than expected on the basis of their abundance. b. strongly influence the species composition of communities. $c .$ may speed up the rate of nutrient cycling. d. may be herbivores or carnivores. $e .$ all of the above
A keystone species: a. is usually a primary producer. b. has a critically important role in determining the species composition of its community. c. is always a predator. d. usually reduces the species diversity in a community. e. usually exhibits aposematic coloration.
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