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