Chapter 8 flashcards _ Quizlet

To estab lish th atev o lu tio n b y n atu

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Unformatted text preview: itat, th e ev en t is lik ely to b e an ev o lu tio n ary ev en t b ecau se small fo u n d in g p o p u latio n s are rarely g en etically rep resen tativ e o f th e in itial p o p u latio n . To estab lish th at ev o lu tio n b y n atu ral selectio n is o p eratin g in a p o p u latio n , o n e mu st d emo n strate v ariab ility fo r a trait, h eritab ility o f th at trait, d ifferen tial rep ro d u ctiv e su ccess b ased o n th at trait., "Su rv iv al o f th e fittest" may b e a mislead in g p h rase to d escrib e th e p ro cess o f ev o lu tio n b y n atu ral selectio n b ecau se: su rv iv al matters less to n atu ral selectio n th an rep ro d u ctiv e su c c e ss d o e s. Ad ap tatio n : refers b o th to th e p ro cess b y wh ich o rg an isms b eco me b etter match ed to th eir en v iro n men t an d to th e featu res o f an o rg an ism th at mak e it mo re fit th an o th er in d iv id u als. Ad ap tatio n s sh ap ed b y n atu ral selectio n : may b e o u t o f d ate, h av in g b een sh...
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This document was uploaded on 02/25/2014.

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