facultative parasite


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facultative parasite

[′fak·əl‚tād·iv ′par·ə‚sīt]
(ecology)
An organism that can exist independently but may be parasitic on certain occasions, such as the flea.
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Less popularity is possessed by a facultative parasite Daedalea quercina (average popularity 0.2 %), which prefers inert substrate.
Facultative parasite A parasite that has free-living stages that do not require hosts.

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