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group of organisms of the same species that live together at one at one time and interbreed
an interaction between two organisms in which one organism, the predator, kills and feeds on the other organism, the prey
the evolution of two or more species that is due to mutual influence, often in a way that makes the relationship more mutually beneficial
a relationship between two species in which one species, the parasite, benefits from the other species, the host, which is harmed
a relationship between two organisms in which one organism benefits and the other is unaffected
the unique position occupied by a species,both in terms of its physical use of its habitat and its function within an ecological community
the largest ecological niche where an organism or species can live without competition
the range of resources that a species uses, the conditions that the species can tolerate, and the functional roles that the species plays as a result of competition in the species' fundamental niche
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