Reference Terms
from Wikipedia, the free encyclopedia


A parasite is an organism that spends a significant portion of its life in or on the living tissue of a host organism and which causes harm to the host without immediately killing it.

Parasites also commonly show highly specialized adaptations allowing them to exploit host resources.

Note:   The above text is excerpted from the Wikipedia article "Parasitism", which has been released under the GNU Free Documentation License.
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October 4, 2015

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