Meaning of 'facultative' in Chichewa is: facultative

facultative: facultative

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Adjective(1) of or relating to the mental faculties(2) able to exist under more than one set of conditions(3) granting a privilege or permission or power to do or not do something(4) not compulsory

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(1) Although the sample is small, this is a powerful test of the facultative response of females to changes in the composition of their group.(2) This paucity of experimental data makes it difficult to identify the ecological conditions that favor the evolution of the facultative response and of the particular environmental cues that may trigger it.(3) Snakes of both groups ate readily, showing that reproduction-associated anorexia was a facultative response to lack of prey in the den.(4) Other parasites will feed on any host available and are called facultative parasites.(5) These responses can and often are superimposed upon more programmed life history traits in ways that can suggest specific mechanisms by which facultative responses can become obligate.(6) Hughes argued that egg mimicry provides additional evidence that Black - billed and Yellow-billed cuckoos were obligate brood parasites in the past because such mimicry is unlikely to evolve in a facultative brood parasite.(7) To date, no physiological mechanism for facultative sex ratio adjustment in birds has been identified.(8) The functional significance of facultative sibling aggression is likely to depend on the magnitude of competitive asymmetry between siblings.(9) The filamentous fungus Fusarium oxysporum is a soil-borne facultative parasite that causes economically important losses in a wide variety of crops.(10) Many species of Chlamydomonas are facultative auxotrophs, capable of utilizing acetate as their sole carbon and energy source.(11) In many, if not all, facultatively social bees, ecological factors such as competition for nesting sites and predation seem to promote social nesting, although genetic differences may also underlie social variation.(12) The adult cowtail stingray of Shark Bay, Western Australia, is a solitarily foraging animal that facultatively groups when resting on shallow, inshore sand flats.(13) Insects such as ants, wasps and flies from the vicinity are attracted to these rewards and defend the plants facultatively against herbivores.(14) The heterogeneous enrichment among individual worms agrees with reports that this nominal deposit feeder can facultatively filter-feed using a mucus net in its burrow, and that the ability to do so varies among populations.(15) Among bats, larger species among the Pteropodidae (Old World fruit bats with mass in the range 0.21.5 kg) often glide or soar, and use undulating flight facultatively .