'A community' . The collective populations of all of the various species that coexist in a given location.Ecosystem.An area's physical environment and all the inhabitants' living things.
Therefore, several populations of creatures coexisting in a certain area are referred to as a community.The right response is thus "A community."
Important Species Some species are essential to the survival of other species in the ecosystem in every environment.A large predator or a little plant could be the keystone species, but without them this ecosystem might not exist.
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