Chapter 8 Evolution & Natural Selection flashcards _ Quizlet

Lik eth eb reed in g to mak elarg erch ick en b

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Unformatted text preview: rth so it will su rv iv e an d n o t k ill th e mo m) Disru p tiv e Selectio n A ty p e o f n atu ral selectio n th at fav o rs th e ex treme v alu es o f a p h en o ty p e is called d isru p tiv e (Fish rep ro d u ctio n . Th e larg e o n es d o min ate, th e small o n es sn eak in an d q u ick ly fertilize. Med iu m o n es d o n 't re p ro d u c e ) Directio n al Selectio n A ty p e o f n atu ral selectio n th at fav o rs o n e ex treme o f a p h en o ty p e is called d irectio n al. (lik e th e b reed in g to mak e larg er ch ick en b reasts) Darwin an d Wallace Pu b lish ed th eir fin d in g s o n ev o lu tio n to g eth er, ev en th o u g h th ey h ad d o n e research in d ep en d en tly Th e fo u r ag en ts o r mech an isms o f ev o lu tio n a re : Mu tatio n , Gen etic Drift, Mig ratio n , an d Natu ral Selectio n We measu re ev o lu tio n as a ch an g e in __________ in a p o p u latio n o v er time. Th erefo re in d iv id u als d o n o t ev o lv e, p o p u latio n s ev o lv e. allele freq u en c...
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