单词	exaptation
释义	exaptation /ˌɛksapˈteɪʃ(ə)n / noun [mass noun] Biology 1The process by which features acquire functions for which they were not originally adapted or selected.At present, then, there is no way we can come up with any even modestly convincing scenario of what happened in the origination of the extraordinary creature we are without invoking the humble process of exaptation.... Although such a scenario has been predicted this demonstrates for the first time that Alu elements can also induce exaptation of intronic sequences as parts of novel alternative exons that are located outside of the respective elements. One problem with this criticism is that it ignores exaptation, the adaptation of a trait originally developed for one function to some other function. 1.1 [count noun] A character or feature which evolved by the process of exaptation.In figure 5 we summarize the integration times and events leading to potential exaptations for the four analyzed genes as well as those for the previously published locus, p75TNFR.... Thanks to you, O Reader, I now know that evolved elements pressed into service in some other context are exaptations. The only scientific way to approach why flight evolved in a group is to first figure out how it evolved; what the temporal sequence of exaptations and adaptations was. Origin 1980s: from ex-1 + aptation as in adaptation.
随便看	cautery Cauthen, Steve caution cautionary caution money cautious cautiously cautiousness Cauvery cava Cavafy, Constantine cavalcade cavalier Cavalier King Charles cavalierly cavalry cavalryman cavalry twill Cavan cavaquinho cavatelli cavatina cave caveat caveat emptor

英语词典包含243303条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。