preadaptation

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preadaptation

(prē′ăd-ăp-tā′shən, -əp-)
n.
1. A characteristic of an ancestral species or population that serves an adaptive though different function in a descendant species or population.
2. The ability of a characteristic to assume a new biological function without evolutionary modification.

preadaptation

the possession by an organism of characteristics that permit a move into a new NICHE or habitat.
References in periodicals archive ?
Evans explores (i) possible cognitive preadaptations for the development of semantic knowledge, and (ii) the range and nature of conceptual structure as encoded in language.
Longitudinal data (not available for the case studies presented above) are needed to identify both preadaptations and exaptations.
By the mid-Cenozoic, ancestral truncatellids had preadaptations allowing them to colonize land in appropriate tectonic and ecological settings.
Evolution of sexual mimicry in the Orchidinae: The role of preadaptations in the attraction of male bees as pollinators.
Processus de socialization et preadaptations comportementales chez les araignees.
If this pattern of origin is common, where evolution of active pollination builds largely on preadaptations and few novel traits, it would follow that interactions where selection for increased pollination effectiveness is probable may be far less common than if extensive coadaptation at the trait level might precede it.
This observation supports the hypothesis that selective pressures, preadaptations, and constraints vary at high taxonomic levels (Blackburn 1985).
With these preadaptations to land life, the tide pool microbes could have spawned the first colonizers of the continents, Campbell speculates.
remnants of preadaptations from the nonflooded terra firme species in