Chapter 10 - PrepU flashcards _ Quizlet

Eh u man activ ities wh ich o fth efo llo win g mo

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Unformatted text preview: h e ab o v e are co rrect, a co mb in atio n o f fissio n an d fu sio n o ccu rred . Pro k ary o tes are classified in to _ _ _ _ _ _ _ _ _ d o main (s). 2 a ) 1 b ) 6 c ) 8 d ) 4 e ) 2 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ iso latin g mech an isms in clu d e h y b rid mo rtality an d h y b rid in fertility . Po stzy g o tic a) Po stzy g o tic b ) Sy mp atric c) Prezy g o tic d ) Barrier e) En v iro n men tal Th e b io mass o f _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ , if th ey were all co llected , d ried o u t, an d weig h ed , ex ceed s th at o f all th e p lan ts an d an imals o n earth . b acteria a) b acteria b ) mites c) n emato d es d ) a rc h a e a e) in sects Th e cu rren t mass ex tin ctio n is b eliev ed to b e p rimarily cau sed b y : a) red u ctio n in th e amo u n t o f o x y g en in th e atmo sp h ere. b ) astero id imp act. c) weath er. d ) h u man actio n s. e) risin g sea lev els. h u man actio n s. Wh ich o f th e fo llo win g is n o t a p air o f h o mo lo g o u s stru ctu res? win g o f a h o u se fly an d th e ey e o f a d o g a) win g o f a h o u se fly an d th e ey e o f a d o g b ) tail o f a cat an d th e tailb o n es in h u man s c) th e an ten n a o f a b u tterfly an d th e an ten n a o f a mo th d ) th e fro n t leg o f a h o rse an d th e flip p er o f a se a l e) b ird win g an d th e h u man h an d Th e earth h as g o n e th ro u g h a series o f mass ex tin ctio n s cau sed b y a v ariety o f d ifferen t facto rs. Th e cu rren t mass ex tin ctio n is b eliev ed to b e th e resu lt o f: h u man activ ities. a) g lo b al warmin g . b ) lo ss o f th e o zo n e lay er. c) red u ced lev els o f sp eciatio n . d ) n o rmal flu ctu atio n s in sp ecies d iv ersity . e) h u man activ ities. Wh ich o f th e fo llo win g mo lecu les was NOT p resen t in th e p re­b io tic en v iro n men t? trieth y len e g ly co l a) meth an e (CH4 ) b ) trieth y len e g ly co l c) ammo n ia (NH3 ) d ) water (H2 0 ) e) h y d ro g en su lfid e (H2 S) Th e tax o n o mic ran k th at in clu d es sp ecies b u t n o t families is: g e n u s. a) class. b ) d o main . c) k in g d o m. d ) v ariety . e ) g e n u s . Wh ich o f th e fo llo win g BEST ex p lain s th e fin d in g th at th e n u clear DNA o f h o u se cats an d African wild cats h as a v ery h ig h d eg ree o f similarity ? a) Ho u se cats an d African wild cats are b o th memb ers o f th e family Felid ae. b ) Ho u se cats an d African wild cats sh are a recen t co mmo n an cesto r. c) Co n v erg en t mo rp h o lo g ical ev o lu tio n h as o c c u rre d . d ) Div erg en t mo rp h o lo g ical ev o lu tio n h as o c c u rre d . e) En v iro n men tal p ressu res were th e same. Ho u se cats an d African wild cats sh are a recen t co mmo n an cesto r. Life aro se fro m n o n life aro u n d _ _ _ _ _ _ _ _ _ y e a rs a g o . 4 b illio n a) 4 0 0 b illio n b ) 8 th o u san d c) 8 trillio n d ) 4 millio n e) 4 b illio n Ph ase 1 o f th e creatio n o f life o n earth was _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ . Ph ase 2 was th e fo rmatio n o f self­rep licatin g , in fo rmatio n co n tain in g mo lecu les. Ph ase 3 was th e d ev elo p men t o f a memb ran e, en ab lin g metab o lism an d creatin g th e first cells. th e fo rmatio n o f small mo lecu les co n tain in g c a rb o n a n d h y d ro g e n a) th e fo rmatio n o f RNA b ) th e fo rmatio n o f small mo lecu les co n tain in g carb o n an d h y d ro g en c) th e fo rmatio n o f DNA d ) th e in crease in th e amo u n t o f atmo sp h eric o x y g en . e) th e fo rmatio n o f memb ran es so th at later cells co u ld d ev elo p Th e d ark g ray d o ts alo n g th e tru n k o f th is ev o lu tio n ary tree rep resen t b o th co mmo n an cesto rs an d : Bo th b ) an d d ) are co rrect. a) h o mo lo g o u s featu res. b ) sp eciatio n ev en ts. c) co n v erg en t traits. d ) n o d e s . e) Bo th b ) an d d ) are co rrect. Th e g rap h ab o v e sh o ws d ifferen ces in th e rates o f th e two ty p es o f ex tin ctio n . Wh ich is th e ap p ro x imate rat...
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