BIOLOGY 1108 FINAL EXAM QUIZ QUESTIONS WITH CORRECT ANSWERS 2025

BIOLOGY 1108 FINAL EXAM QUIZ
QUESTIONS WITH CORRECT
ANSWERS 2025/2026
TheAtermA"n"ArefersAtoAtheAsizeAofAaApopulation,AthatAis,AtheAnumberAofAindividualsAinAthatApop
ulation.AInAgeneral,AinAaAsampleAofAnAindividuals,AtheAfrequencyAofAanAalleleAis:A-
AcorrectAanswerstheAnumberAofAoccurrencesAofAtheAalleleAdividedAbyAtwiceAtheAnumberAofAindi


vidualsAinAtheAsampleA(2n)

IfAaApopulationAisAnotAinAHardy-WeinbergAequilibrium,AweAcanAconcludeAthat:A-
AcorrectAanswersevolutionAhasAoccurredAbecauseAoneAofAtheAassumptionsAofAtheAHardy-


WeinbergAequilibriumAhasAbeenAviolated

TheAgoldenrodAgallAflyAlaysAitsAeggsAonAtheAterminalAbudsAofAgoldenrodAplants.ALarvaeAchewAth
roughAtheAbudsAandAintoAtheAstems,AwhereAtheirAsalivaAinducesAtheAplantAtoAgenerateAaAgallA(a
nAoutgrowthAofAtissue).AThisAgallAthenAprovidesAfoodAandAshelterAforAtheAdevelopingAlarva.AThe
AlarvaeAareApreyAofAbothAparasitoidAwaspsAandAbirds.AWaspsAselectivelyApreyAonAlarvaeAinsideAt


heAsmallestAgallsAwhileAtheAbirdsAselectivelyApreyAonAtheAlarvaeAinsideAtheAlargestAgalls.AGolde
nrodAgallAfilesAareAthereforeAsubjectAto:A-AcorrectAanswersstabilizingAselection

YouAfindAthatAaAwildApopulationAofAantelopeAisAnotAinAHardy-
WeinbergAEquilibrium.AFromAthisAinformationAalone,AcanAyouAdetermineAtheAmechanismAofAev
olutionAoperatingAonAtheApopulation?A-AcorrectAanswersno

AApopulationAwithAaAnovelAadaptationAhasAevolvedAthatAadaptation.A-AcorrectAanswerstrue

PolytomyAisAaAgraphicalAdepictionAofAwhatAtypeAofArelationshipAbetweenAgroups?A-
AcorrectAanswersTheAcommonAancestorAnodeAwithAnoAresolutionAamongAdescendantAgroups.



PhylogeneticAtreesAare:A-
AcorrectAanswersbothAaAandAbAareAcorrectA(hypothesesAandAbuiltAusingAobservedAdata)



WhichAphylogenicAgroupAincludesAallAdescendantsAofAaAcommonAancestorAandAonlyAtheAdesce
ndantsAofAthatAancestor?A-AcorrectAanswersmonophyletic

WhenAcomparingAtreesAwithAvariousAhypothesesAofAevolutionaryArelationshipsAbetweenAaAgro
upAofAanimals,AtheAtreeAwithA_____AwouldAbeAtheAstrongestAcandidate.A-
AcorrectAanswerstheAfewestAchanges



AAfossil'sAcontributionAtoAphylogeneticAtreesAinclude:A-
AcorrectAanswersallAofAtheAaboveA(timeAcalibration,ArecordsAofAextinctAspecies,AcorrelationAbet


weenAevolutionAandAEarthAhistory)

HowAareAtwoAdifferentAspeciesAmostAlikelyAtoAevolveAfromAoneAancestralAspecies?A-
AcorrectAanswersallopatrically,AafterAtheAancestralAspeciesAhasAsplitAintoAtwoApopulations

, ThreeApopulationsAofAcricketsAlookAveryAsimilar,AbutAtheAmalesAhaveAcourtshipAsongsAthatAsoun
dAdifferent.AWhatAfunctionAwouldAthisAdifferenceAinAsongAlikelyAserveAifAtheApopulationsAcameA
inAcontact?A-AcorrectAanswersaApre-zygoticAisolatingAmechanism

AApolytomyAisAaAgraphicalAdepictionAofAwhatAtypeAofArelationshipAbetweenAgroups?A-
AcorrectAanswerstheAcommonAancestorAnodeAwithAnoAresolutionAamongAdescendantAgroups



TheApepperedAmothAprovidesAaAwell-knownAexampleAofAnaturalAselection.ATheAlight-
coloredAformAofAtheAmothAwasApredominantAinAEnglandAbeforeAtheAindustrialArevolution.AInAth
eAmid-19thACentury,AaAdark-
coloredAformAappeared.ATheAdifferenceAisAproducedAbyAaAdominantAalleleAofA1Agene.AByAaboutA
1900,AaboutA90%AofAtheAmothsAaroundAindustrialAareasAwereAdark-colored,AwhereasAlight-
coloredAmothsAwereAstillAabundantAelsewhere.AApparently,AbirdsAcouldAreadilyAfindAtheAlightA
mothsAagainstAtheAsoot-
darkenedAbackgroundAinAindustrialAareasAandAthereforeAwereAeatingAmoreAlightAmoths.ARecen
tly,AuseAofAcleanerAfuelsAhasAgreatlyAreducedAsootAinAtheAlandscape,AandAtheAdark-
coloredAmothsAhaveAbeenAdisappearing.AShouldAtheAtwoAformsAofAmothsAbeAconsideredAsepar
ateAspecies?A-AcorrectAanswersno

ItAisAthoughtAthatApolarAbearsAoriginatedAfromAaApopulationAofAbrownAbearsAthatAbecameAgeog
raphicallyAisolatedAduringAaAglaciationAeventAthatAoccurredAaboutA150,000AyearsAago.ATheAorig
inAofApolarAbearsAwasAtheAresultAof...A-AcorrectAanswersallopatricAspeciation

HowAdoesAtheAlevelAofAgeneticAvariationAinAhumansAtypicallyAcompareAtoAotherAspecies?A-
AcorrectAanswerslowerAthanAotherAspecies



WhereAdidAHomoAsapiensAevolve?A-AcorrectAanswersAfrica

CulturalAtraitsAareAtransmittedAhorizontallyAandAverticallyAthroughAlearning.AWhichAofAtheAexa
mplesAbelowAshowsAtheAhorizontalAtransmissionAofAculture?A-
AcorrectAanswersAAteenagerAteachesAherAbrotherAhowAtoAtext.



WhyAdoAweAthinkAthatAmaleANeanderthalsAmatedAwithAfemaleAnon-
AfricanAancestralAHomoAsapiens?A-
AcorrectAanswersbecauseANeanderthalAnuclearADNAAsequencesAareApresentAinAtheAhumanAgen


eApool,AandANeanderthalAmtDNAAsequencesAareAnot.A(weAgetAmtDNAAfromAonlyAourAmother)

DefineAneoteny.A-AcorrectAanswersretentionAofAjuvenileAcharacteristicsAinAanAadult

WhyAdoAmitochondriaAandAchloroplastsAhaveArelativelyAsmallAgenomes?A-
AcorrectAanswersOverAtime,AmuchAofAtheirAnucleicAacidAhasAmigratedAtoAtheAhostAcellAnucleus



HowAoldAareAtheAearliestAfossilsAofAeukaryotesAasAdefinedAbyAtheAsuperkingdoms?A-
AcorrectAanswers1.8AbillionAyears



WhatAcausesAamoeboidAfeedingAcellsAofAcellularAslimeAmoldsAtoAaggregateAintoAaAlargeAmulti-
cellularA'slug'?A-AcorrectAanswersstarvation