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preadaptation

[pree-ad-uh p-tey-shuh n] /ˌpri æd əpˈteɪ ʃən/
noun, Biology
1.
a structure or property that developed in an ancestral stock and was useful in a descendant in a changed environment.
Origin
1885-1890
1885-90; pre- + adaptation
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for preadaptations

preadaptation

/ˌpriːædəpˈteɪʃən/
noun
1.
(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
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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