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PublishedNovember2014www.BioInteractive.org RevisedMarch2017
Page1of4
Short Film
Great Transitions: The Origins of Tetrapods Student Quiz
_________________________________ _____________________NAME DATE
1. WhenCharlesDarwinconsideredsomeoftheuniquestructuresfoundinmodernanimals,likethefeatheredwingsofbirds,hefamouslyproposedthatmodernanimalsmusthaveevolvedfromearlierformsthatlackedthosestructures.Healsopredicted________________.(Fillintheblankwithoneofthestatementsbelow.)
a. thatitwouldbeimpossibletofindfossilevidenceforthisideabecausethefossilrecordissoincomplete.
b. thatgeneticevidencewouldshowthatallorganismsshareacommonancestor.
c. thatfossilswouldbefoundwithstructuresthatareintermediatebetweenearlyandmodernforms.
d. thatfossilevidencewouldinsteadshowthatallmodernanimalshavealwaysexistedintheirpresentform.
2. WhichofthefollowingfeaturesdescribeTiktaalik?
i. Neck
ii. Lungs
iii. Roundhead
iv. Fins
a. iiandivonly
b. i,ii,andiv
c. i,iii,andiv
d. i,ii,iii,andiv
3. Examinethetablebelowandselecttherowthatbestdescribesthesetting,resources,andscientificprocessesusedduringtheTiktaalikexpeditions.
Location Maps/Photos ScientificProcessa. CanadianArctic Geologicalmaps Hypothesestestingb. Iceland Roadmaps Predictingc. Alaska Aerialphotos Questioningd. ArcticCircle Animaltrackmaps Developingexplanations
PublishedNovember2014www.BioInteractive.org RevisedMarch2017 Page2of4
Short Film Great Transitions: The Origins of Tetrapods Student Quiz
4. Whichstatementbelowisevidencethatalltetrapodssharedasinglecommonancestor?
a. Alltetrapodslivepartlyinwaterandpartlyonland.
b. Alltetrapodsarewarm-blooded.
c. Alltetrapodlimbsconsistofrearrangedfishfinrays.
d. Alltetrapodlimbshaveacommonpatternofonebone,twobones,manybones,thendigits.
5. Thetransitionfromfishtotetrapodsisbestdescribedas:
a. Likemostofthegreattransitionsinevolutionaryhistory,ithappenedinveryfewbigstepssothatthereareveryfewintermediateforms.
b. Likemostofthegreattransitionsinevolutionaryhistory,ithappenedinmanysmallstepsleadingtomanyintermediateforms.
c. Likenoothertransitioninevolutionaryhistory,ithappenedinmanysteps,sotherearemanyintermediateforms.
d. Likemostofthegreattransitionsinevolutionaryhistory,ithappenedinasinglestepwithnointermediateforms.
6. Whichevidencesupportsthefactthattetrapodsandfisharecloselyrelated?
i. Theembryosofmodernfishandtetrapodlooksimilar.
ii. Bothmodernfishandtetrapodscanswim.
iii. Bothmodernfishandtetrapodsarevertebrates.
iv. TheDNAofmodernfishandtetrapodssuggeststhattheyhaveacommonancestor.
v. Modernfishhavelimbbonesthatsupporttheirbodies.
a. i,ii,andvonly
b. i,iii,andivonly
c. iiiandvonly
d. itovareallsupportingevidence
7. TrueorFalse.“Transitionalorganismsarenotactualspecies.”Justifyyouranswerinoneortwosentences.
PublishedNovember2014www.BioInteractive.org RevisedMarch2017 Page3of4
Short Film Great Transitions: The Origins of Tetrapods Student Quiz
8. Studythegraphicbelowofrocklayerswithfossilsinthem.ExplainhowNeilShubinandhisteampredictedthattheywouldfindafossilanimallikeTiktaalikinrocksaround375millionyearsold.
9. Thediagramsbelowillustratethebonesintheforelimbsoffourdifferentorganisms.Althoughtheselimbs
alllookdifferent,theysharesomecommonpatterns.Thesecommonpatternssuggestthat
a. Theseorganismsaremembersofthesamespecies.
b. Theorganismsexistedataboutthesamepointintime.
c. Theseorganismsshareacommonancestor.
d. Theseorganismshaveexactlythesamegenes.
PublishedNovember2014www.BioInteractive.org RevisedMarch2017 Page4of4
Short Film Great Transitions: The Origins of Tetrapods Student Quiz
10. ExplainwhyNeilShubinandhiscolleagueshadtotraveltoanareaabovetheArcticCircletofindthefossilofananimalthatoncelivedinawarmswamplikehabitat.
11. Inthefilm,NeilShubinisshownhikinguparockyhillsidewhilerecallingforusoneoftheexcitingmomentsduringthehuntforaTiktaalik-likefossilanimal.Neilsays,“Beneathourfeetwerefossilfishbones,fragmentsoffossilfishbones,manythousandsofpieces.Itwasn’tjustonefish;itwasawholeaquarium,itwasdifferentspecies.”Whatdidthisdiscoverymeanforthefossil-huntingteam?