A(n) __________ is an organism that lives in a close and mutually beneficial association with a second organism.

Question

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A symbiont is an organism that has a close, mutually beneficial association with another organism, which can be another symbiont or a larger host organism. The other choices are not as specific to this type of relationship. A commensalism is a relationship where one organism benefits and the other is not affected. A parasite is an organism that benefits at the expense of the host organism. A heterocyst is a specialized cell found in some cyanobacteria. An endospore is a dormant structure formed by some bacteria as a form of survival.

A(n) __________ Is an Organism That Lives in a Close