preadaptation


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pre·ad·ap·ta·tion

 (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

(ˌpriːædəpˈteɪʃən)
n
(Biology) biology the possession by a species or other group of characteristics that may favour survival in a changed environment, such as the limblike fins of crossopterygian fishes, which are preadaptation to terrestrial life

pre•ad•ap•ta•tion

(ˌpri æd əpˈteɪ ʃən)

n.
Biol. a structure or property that develops in an ancestral stock and becomes useful in a descendant in a changed environment.
[1885–90]
pre`a•dapt′ (-əˈdæpt) v.i.
pre`a•dap′tive, adj.
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References in periodicals archive ?
rosea acts as stressor which did not provide preadaptation to next oxidative challenges.
With the dominance of rice and high levels of preadaptation to floods, there is little that can be done to build flood resilience through adjustments in cropping patterns and farming practices.
Adaptability--ability to learn, ability to change behavior based on learning, preadaptation (13)
Host shifts among related bats might be favored by a variety of mechanisms, including preadaptation to overcome immune defenses or greater rates of interspecific contact relative to distantly related bat species.
A special preadaptation for migration is parthenogenesis within D.
Rozin & April Fallon, The Psychological Categorization of Foods and Non-Foods: A Preliminary Taxonomy of Food Rejections, 1 APPETITE 193 (1980); Paul Rozin, Jonathan Haidt, Clark McCauley & Sumio Imada, Disgust: Preadaptation and the Cultural Evolution of a Food-Based Emotion, in FOOD PREFERENCES AND TASTE: CONTINUITY AND CHANGE 65 (Helen Macbeth ed.