facultative parasite造句

• It is a facultative parasite of nematode eggs.
• It is a lethal facultative parasite of the terrestrial gastropods ( slugs and snails ).
• Semispecific is synonymous to facultative parasite.
• :See facultative parasite for examples.
• More intimately, normally free-living microbes may opportunistically live as facultative parasites in other organisms.
• This species is a facultative parasite, or hemiparasite, in that it can live without attaching to another plant but will parasitize if presented with the opportunity.
• As such, in recently formed and facultative parasites, there is an accumulation of pseudogenes and transposable elements due to a lack of selective pressure against deletions.
• "' Diplonemidae "'is a small group of flagellate protists, with the majority being free living phagotrophs, though some are facultative parasites.
• The plant appears to be a facultative parasite, capable of surviving without draining nutrients from other plants but growing more healthy if it can draw sustenance from other plants.
• "' Phasmarhabditis "'is a genus of bacterial-feeding nematodes which are facultative parasites that primary host are terrestrial gastropods ( slugs and snails ).
• Despite records of its parasitic behavior, submersible encounters with free-swimming juveniles and adults, and their capture in baited traps, suggest that this species is at most a facultative parasite that opportunistically enters sick and dying fish.