facultative parasite


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Related to facultative parasite: accidental parasite, facultative saprophyte, obligatory parasite

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.
Among them there are obligate parasites, facultative saprotrophs and facultative parasites.
1: Protozoan and Metazoan Infections, are relatively well-studied and may serve as models for studies of other parasites, cause considerable financial problems to the aquaculture industry, have been accidentally introduced to new geographical regions through the transportation of infected fish, are disease agents to specific groups of fish, are not host-specific and have worldwide distributions, and are facultative parasites which are emerging as important pathogens.

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