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An association between two organisms of different species in which one is harmed or inhibited while the other is unaffected.
a parasitic relationship between animals that has a destructive effect on one and no effect on the other. See also biology; plants.See also: Animals
a parasitic relationship between plants that has a destructive effect on one and no effect on the other.See also: Plants
the living together of two organisms in a relationship that is destructive to one and has no effect on the other.See also: Biology