Chapter 8 Evolution & Natural Selection flashcards _ Quizlet

Co n v erg en tev o lu tio n wo lv esten d to tak eth

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Unformatted text preview: erms o f med icin e, wh at is ev o lu tio n resp o n sib le fo r? th e in creased o ccu rren ce o f an tib io tic­ resistan t b acteria. Bo th b ats an d in sects h av e win g s fo r flig h t. Th is is mo st lik ely an ex amp le o f _ _ _ _ _ _ _ _ _ _ _ _ _ ev o lu tio n b ecau se th ey arriv ed at th e ad ap tatio n in d ep en d en tly an d d id n o t in h erit th e trait fro m a co mmo n an cesto r. co n v erg en t ev o lu tio n Wo lv es ten d to tak e th e slo w an d weak an d u n wary d eer fro m th e h erd , p ro d u cin g a faster stro n g er an d warier d eer o v er man y g en eratio n s. Th is is an ex amp le o f ev o lu tio n b y mean s o f _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ (artificial selectio n , n atu ral selectio n , g en etic d rift) n atu ral selectio n Alth o u g h rare, a ch an g e in th e DNA called _ _ _ _ _ _ _ _ is th e u ltimate so u rce o f n ew g en etic v ariatio n in a p o p u latio n . mu tatio n Stab ilizin g Selectio n A ty p e o f n atu ral selectio n th at fav o rs th e mean v alu es o f a p h en o ty p e is called stab ilizin g (Lik e med iu m b ab y size at b i...
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This document was uploaded on 02/25/2014.

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