Chapter 10 - PrepU flashcards _ Quizlet

So meamin o acid s co n tain th eelemen to x y g en

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Unformatted text preview: s remain sep arate sp ecies. Th is is b ecau se o f th e _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ o f th e mu les. sterility a) sterility b ) h y b rid b reak d o wn c) g eo g rap h ic iso latio n d ) temp o ral iso latio n e) in v iab ility Ph y lo g en etic trees sh o u ld b e v iewed as: h y p o th eses reg ard in g ev o lu tio n ary relatio n sh ip s o f g ro u p s o f o rg an isms. a) in tellectu al ex ercises, n o t to b e in terp reted literally . b ) tru e g en ealo g ical relatio n sh ip s o f sp ecies. c) h y p o th eses reg ard in g ev o lu tio n ary relatio n sh ip s o f g ro u p s o f o rg an isms. d ) th e resu lt o f v ertical, b u t n ev er h o rizo n tal, g en e tran sfer. e) rep resen tatio n s o f allo p atric sp eciatio n ev en ts. In th e p lan t k in g d o m, all o f th e sp ecies are d escen d ed fro m a sin g le co mmo n an cesto r. In terms o f p h y lo g en y , wh at ty p e o f tree o f life is th is? mo n o p h y letic a) u n ip h y letic b ) allo p atric c) sy mp atric d ) mo n o p h y letic e) p u n ctu ated Ho mo sap ien s is th e n ame o f a sp ecies. Ho mo is th e n ame o f a g en u s. Ho min id ae is th e n ame o f a family . Primate is th e n ame o f an o rd er. Mammal is th e n ame o f a: a) class. b ) p h y lu m. c) v ariety . d ) k in g d o m. e) No n e o f th e ab o v e is co rrect. class Urey an d Miller's ex p erimen tal setu p was ab le to p ro d u ce all twen ty o f th e amin o acid s fo u n d in p ro tein s. So me amin o acid s co n tain th e elemen t o x y g en . Wh at startin g material in th e Urey ­Miller ex p erimen t was so u rce o f th is elemen t? water a) meth an e b ) ammo n ia c ) h y d ro g e n g a s d ) water e) electrical sp ark s Th e p h en o men o n wh ereb y a small n u mb er o f sp ecies d iv ersify in to a mu ch larg er n u mb er o f sp ecies, ab le to liv e in a wid e d iv ersity o f h ab itats is k n o wn as: ad ap tiv e rad iatio n . a) mass ex tin ctio n . b ) micro ev o lu tio n . c) ad ap tiv e rad iatio n . d ) co lo n izatio n . e) b ack g ro u n d ex tin ctio n . Differen t o rg an isms with an id en tical sp ecific ep ith et, su ch as Dro so p h ila melan o g aster an d Th amn o p h is melan o g aster, are related to each o th er at th e lev el o f: No p articu lar relatio n sh ip is imp lied b y th e fact th at two o rg an isms h av e id en tical sp ecific ep ith ets. a) sp ecies. b ) o rd e r. c ) g e n u s . d ) family . e) No p articu lar relatio n sh ip is imp lied b y th e fact th at two o rg an isms h av e id en tical sp ecific ep ith ets. H o rs e s a n d d o n k e y s c a n b re e d a n d p ro d u c e sterile o ffsp rin g k n o wn as mu les. Ho rses an d d o n k ey s remain sep arate sp ecies b ecau se o f th is h y b rid sterility , wh ich is: a) a p rezy g o tic b arrier to rep ro d u ctio n . b ) a p o stzy g o tic b arrier to rep ro d u ctio n . c) a temp o ral b arrier to rep ro d u ctio n . d ) a g eo g rap h ical b arrier to rep ro d u ctio n . e) a temp o ral b arrier to iso latio n . a p o stzy g o tic b arrier to rep ro d u ctio n . Th o u g h y o u were n o t o n earth at th e time, if y o u h ad to p red ict th e meth o d o f rep ro d u ctio n u tilized b y th e earliest o rg an isms o n th is p lan et, wh ich o f th e fo llo win g ch o ices wo u ld y o u select? rep ro d u ctio n b y d u p licatin g th eir DNA material an d d iv id in g in two a) rep ro d u ctio n b y d u p licatin g th eir DNA material an d d iv id in g in two b ) altern atin g b etween sex u al an d asex u al rep ro d u ctio n c) sex u al rep ro d u ctio n as it is seen in cu rren t eu k ary o tic o rg an isms d ) No n e o f th e ab o v e are co rrect; th e earliest o rg an ism mo st lik ely d id n o t rep ro d u ce. e) No n e o f t...
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