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Sp eciatio n ex in ctio n wh ich o fth efo llo win g

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Unformatted text preview: cep t: g ro u p s sp ecies b ased o n similar p h en o ty p e Sp eciatio n th at o ccu rs wh en th ere is a g eo g rap h ic iso latio n is called _ _ _ _ _ sp eciatio n allo p atric sp eciatio n Wh ich o f th e fo llo win g sen ario s wo u ld b est facilitate ad ap tiv e rad iatio n ? A p o p u latio n o f b ird s b eco mes stran d ed o n an islan d All mammals h av e h air b ecau se th ey in h erited th at trait fro m a co mmo n an cesto r. Featu res th at are in h erited fro m a co mmo n an cesto r are called : h o mo lo g o u s featu res An alo g o u s featu res are p ro b lematic wh en co n stru ctin g ev o lu tio n ary trees b ecau se: Th ey are th e resu lt o f n atu ral selectio n rath er th an co mmo n an cestry To wh ich o n e o f th e fo llo win g is th e b at's win g NOT h o mo lo g o u s? Th e d rag o n fly 's win g Th e p ace o f ev o lu tio n in wh ich th ere is little ch an g e fo r lo n g p erio d s o f time in terru p ted b y sh o rt p erio d s with majo r ch an g es is called p u n ctu ated eq u ilib riu m _ _ _ _ p ro d u ces n ew sp ecies an d _ _ _ _ tak es th em away . Sp eciatio n ; ex in ctio n Wh ich o f th e fo llo win g is NOT co rrect ab o u t all an imals? all h av e tru e tissu es Wh y is th e amn io tic eg g co n sid ered a k ey ev o lu tio n ary in n o v atio n ? It g reatly in creases th e su rv iv al p ro b ab ilities o f eg g s in a terrestrial en v iro n men t Wh ich o f th e fo llo win g are ch o rd ates fro g s, h u man s, fish , lamp rey s Sh ark s h av e _ _ _ _ sk eleto n s, wh ile su n fish h av e _ _ _ _ _ sk eleto n s cartilag in o u s; b o n y Bird s are _ _ _ _ _ , wh ile tu rtles are _ _ _ _ _ . en d o th erms, ecto th erms Wh ich o f th e fo llo win g series o f ev en ts co rrectly d escrib es th e ev o lu tio n ary h isto ry o f th e v erteb rates, fro m th e earliest to latest in time? lu n g s ­ jaws ­ fo u r limb s ­ h air Th e mo st sp ecio u s g ro u p o f ex an t an imals are th e _ _ _ _ _ _ . in v erteb rates Wh at is th e majo r d ev elo p men tal ch aracteristic th at sh o ws th e clo se relatio n sh ip b etween ech in o d erms an d ch o rd ates? in b o th g ro u p s, th e g u t d ev elo p s b ack to fro n t Th e mo llu scan class Cep h alo p o d a in clu d es all o f th e f...
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This document was uploaded on 02/25/2014.

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