An organism that lives in a common space or shared environment; an organism that has adapted to live in a hollow or cavity of another organism's body.
From Greek keno- (common, hollow) plus -site (dweller). A biological term describing parasitic or commensal relationships.
A cenosite is basically a creature living in someone else's apartment rent-free—like parasites that live inside you, except the term covers both parasites and organisms that coexist harmlessly in shared spaces.
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