Chapter 8 Evolution & Natural Selection flashcards _ Quizlet

Rad iatio n an d mu tag en icch emicals wh atisnatu

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Unformatted text preview: ies Ex amp le o f ev o lu tio n in actio n ? In a p o p u latio n o f rats, th e p ercen t o f alleles fo r b lack co at co lo r in creases an d wh ite co at co lo r d ecreases o v er sev eral g en eratio n s. Ev o lu tio n v ia g en etic d rift is mo st lik ely to o ccu r in larg er o r smaller p o p u latio n s? smaller Gen etic d rift p ro d u ces ch an g e in a p o p u latio n an d is d u e to : ch an ce ev en ts, wh ich d etermin e th e su rv iv al o f in d iv id u als Wh at g en eral ty p e o f en v iro n men tal ag en ts can mu tate DNA? Rad iatio n an d mu tag en ic ch emicals. Wh at is Natu ral Selectio n ? Natu ral selectio n is a mech an ism o f ev o lu tio n th at o ccu rs wh en th ere is h eritab le v ariatio n fo r a trait an d in d iv id u als with o n e v ersio n o f th e trait h av e g reat rep ro d u ctiv e su ccess th an th o se with d ifferen t v ersio n s o f th e trait. Wh at fu n ctio n al sh ift ex p lain s th e ev o lu tio n o f a co mp lex stru ctu re su ch as win g...
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This document was uploaded on 02/25/2014.

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