Month: June 2010

Parasitism

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parasitism: A state in which one organism, the parasite, lives on or inside another organism, the host, and derives its nourishment and other needs from it. Managing parasitism in crops and livestock is vital for preventing economic losses.

Allograft

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allograft: A graft of tissue from one individual to another of the same species. Also called homograft. Using allografts helps farmers in animal breeding and veterinary procedures.