commensalism Hear it!

commensalism definition

com·men·sal·ism (-iz′əm)

noun

Biol. a close association or union between two kinds of organisms, in which one is benefited by the relationship and the other is neither benefited nor harmed

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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