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Name:_____________________________Student#:_________________________ BIO1300–TheHumanAnimal ProfessorAdamOliverBrown PRACTICEMidterm1 February12,2016 INSTRUCTIONS: - Thisisaclosedbookexam - writeyournameandstudent#atthetopofEACHpage - checkthatyourexamiscomplete,thereare6pagesinall - thinkcarefullyandanswerthequestionsthoughtfully, drawingupontheinformationandusingtheterminology thatyouhavelearnedinthiscourse - usecompletesentences,notdiagramsorequations - thisexamwilllastfor80min. - GoodLuck! Multiple Choice Short Answer Total /20 /15 /35 1 Name:_____________________________Student#:_________________________ PartI–MultipleChoice(1pointeach):circlethemostcorrectanswer 1. WhichofthefollowingisNOTanobservationassociatedwithnatural selection? a. allorganismshavethepotentialforexplosivepopulationgrowth b. populationstendtobestable c. natureisfullofvariation d. creaturescanwilltheirowntransformations 2. CentraltoDarwin’sideasistheobservationthat__________. a. b. c. d. populationshavelimitedpotentialforgrowth creatureswithinaspeciesalltendtolookthesame natureisfullofvariation artificialselectionbearsnoresemblancetonaturalselection 3. Whendiscussingnaturalselection,theterm“fitness”isbestthoughtofas __________. a. b. c. d. areferencetophysicalfitness reproductivesuccess strength noneofthese 4. Inorderforevolutionbynaturalselectiontooccur,__________. a. b. c. d. thetraitinquestionmustbeinherited thetraitinquestionmustvarybetweenindividuals theremustbeenvironmentalpressure allofthese 5. The__________aredirectlyinvolvedinreproduction. a. b. c. d. skincells gametes stemcells noneofthese 6. Whichofthefollowingbestdefinesthetermallele? a. b. c. d. asexcell thelocationofageneonachromosome thestateoftheDNAbeforereplication aversionofagene 2 Name:_____________________________Student#:_________________________ 7. Whichofthefollowingisbestdefinedasthedifferentialreproductivesuccess amongmembersofthesamespecies? a. b. c. d. sexualselection geneticbottleneck foundereffect sexualdimorphism 8. Featuresthatarehomologousaresimilardueto__________. a. b. c. d. convergentevolution parallelevolution similarpatternsofuse sharedevolutionaryhistory 9. Ingeneral,primatesaretypifiedby__________. a. b. c. d. largebrains ahighdegreeoflearnedbehavior graspinghands allofthese 10. Strataare__________. a. b. c. d. layersofrock tracefossils petrifiedremainsoforganisms noneofthese 11. TheMesozoicspansfrom__________yearsago. a. b. c. d. 4.5millionto60,000 4.5billionto543million 5.43billionto45million 250millionto65million 12. Whatisaparent-isotope? a. b. c. d. aradiometricdatingtechnique acalibratedchemicalstratum theoriginalradioactiveisotopeinasample theisotopethatisproducedastheresultofradioactivedecay 3 Name:_____________________________Student#:_________________________ 13. Thefundamentaladaptationthatdefineshomininsis__________. a. b. c. d. tooluse complexsocialinteraction increasedcranialcapacity uprightposture 14. Thelegattainedmodernhumanproportionswiththeoriginof__________. a. b. c. d. Ardipithecusramidus Homoerectus Australopithecusafarensis Homosapiens 15. Sahelanthropustchadensiswasdiscoveredin__________. a. b. c. d. Chad Mali Ethiopia Tanzania 16. Thefamousfossilspecimen"Lucy"isarepresentativeofwhich Australopithecinespecies? a. b. c. d. anamensis afarensis africanus garhi 17. HomoerectusappearedinAfricaabout__________yearsago. a. b. c. d. 180,000 8million 1.8million 18,000 18. The inner layer of skin that contains blood vessels, nerves, sweat glands, oil glands, and hair follicles is called the ________. a. b. c. d. epidermis hypodermis dermis melanin 4 Name:_____________________________Student#:_________________________ 19. Which layer of skin lacks blood vessels? a. b. c. d. hypodermis subcutaneous epidermis dermis 20. The sebaceous glands associated with hair follicles produce ________. a. b. c. d. sweat sebum pheromones keratin 5 Name:_____________________________Student#:_________________________ PartII–ShortAnswer:(5pointseach)– brieflyandconciselydiscussonly3ofthefollowing4conceptsastheyrelateto thiscourse. 1-Compareandcontrasttheskeletonofamodernchimpanzeeandhumansastheir differencesrelatetotheevolutionofbipedalismfrombrachiation. 2-Describeandexplainthefactorsthatledtothe‘GreatLeap’inbecomingmodern humans. 6 Name:_____________________________Student#:_________________________ 3-Explaintheprocessandmechanismsinvolvedwiththewaythathumanshave contributedtothegreenhouseeffectthathasledtoclimatechange. 4-Explaintheroleofapocrineglandsinthechemicalcommunicationbetween humansduringmatechoice. 7