A creature that is not a parasite.

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Игры ⚽ Поможем написать курсовую

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  • facultative — Able to live under more than one specific set of environmental conditions; possessing an alternative pathway. * * * fac·ul·ta·tive fak əl .tāt iv adj 1) taking place under some conditions but not under others <facultative parasitism> 2)… …   Medical dictionary

  • facultative — adj. describing an organism that is not restricted to one way of life. A facultative parasite can live either as a parasite or, in different conditions, as a nonparasite able to survive without a host. Compare: obligate …   The new mediacal dictionary

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