AND LECTURE QUESTIONS WITH
CORRECT ANSWERS 2025/2026
WhichAoneAofAtheAfollowingAisAaAselectiveAadvantageAofAsimpleAmulticellularityAoverAsingle-
celled
organisms?A-AcorrectAanswersMulticellularityAhelpsAorganismsAavoidApredation.
WhichAoneAofAtheAfollowingAorganismsAhasAcoenocyticAorganization?A-
AcorrectAanswerssomeAgreenAalgae
WhyAdoAmitochondriaAandAchloroplastsAhaveAsmallAgenome?A-
AcorrectAanswersTheyAhaveAsmallAgenomesAbecauseAoverAtime,AmuchAofAtheirAnucleicAacidAhas
AmigratedAtoAtheAhostAcell
nucleus.
SomeAslimeAmoldsAmakeAstructuresAcalledAplasmodiaAwhich:A-
AcorrectAanswerscontainAmanyAnucleiAinAoneAlargeAcell.
ChloroplastsAhaveAouterAandAanAinnerAmembranesAthatAseparateAtheAstromaAandAthylakoidsAfr
omAthe
cytoplasm.AWhatAisAbelievedAtoAbeAtheAoriginAofAtheAouterAmembraneAofAtheAchloroplast?A-
AcorrectAanswersItAisAtheAremnantAofAtheAancientAhostAcell'sAplasmaAmembraneAfollowingAend
ocytosisAofAthe
cyanobacteria.
TheApepperedAmothAprovidesAaAwell-knownAexampleAofAnaturalAselection.ATheAlightcolored
formAofAtheAmothAwasApredominantAinAEnglandAbeforeAtheAindustrialArevolution.AIn
theAmid-nineteenthAcentury,AaAdark-coloredAformAappeared.ATheAdifferenceAisAproducedAby
aAdominantAalleleAofAoneAgene.AByAaboutA1900,AapproximatelyA90%AofAtheAmothsAaround
industrialAareasAwereAdarkAcolored,AwhereasAlight-coloredAmothsAwereAstillAabundant
elsewhere.AApparently,AbirdsAcouldAreadilyAfindAtheAlightAmothsAagainstAtheAsoot-darkened
backgroundAinAindustrialAareasAandAthereforeAwereAeatingAmoreAlightAmoths.ARecently,Ause
ofAcleanerAfuelsAhasAgreatlyAreducedAsootAinAtheAlandscape,AandAtheAdark-coloredAmoths
haveAbeenAdisappearing.AShouldAtheAtwoAformsAofAmothsAbeAconsideredAseparateAspecies?A-
AcorrectAanswersNo
, ThreeApopulationsAofAcricketsAlookAveryAsimilar,AbutAtheAmalesAhaveAcourtshipAsongsAthat
soundAdifferent.AWhatAfunctionAwouldAthisAdifferenceAinAsongAlikelyAserveAifAthe
populationsAcameAinAcontact?A-AcorrectAanswersaAprezygoticAisolatingAmechanism
HowAareAtwoAdifferentAspeciesAmostAlikelyAtoAevolveAfromAoneAancestralAspecies?A-
AcorrectAanswersallopatrically,AafterAtheAancestralAspeciesAhasAsplitAintoAtwoApopulations
polytomyAisAaAgraphicalAdepictionAofAwhatAtypeAofArelationshipAbetweenAgroups?A-
AcorrectAanswersTheAcommonAancestorAnodeAwithAnoAresolutionAamongAdescendantAgroups.
OneAreasonAweAseeArelativelyAlittleAgeneticAvariationAamongAhumanAregionalApopulations
isAthat:A-
AcorrectAanswershumansAmigratedAoutAofAAfricaAsoArecentlyAthatAweAhaven'tAhadAenoughAtime
forAregionalAvariationAtoAaccumulate
TheAtermA"n"ArefersAtoAtheAsizeAofAaApopulation,AthatAis,AtheAnumber
ofAindividualsAinAthatApopulation.AInAgeneral,AinAaAsampleAofAn
individuals,AtheAfrequencyAofAanAalleleAisA-
AcorrectAanswersheAnumberAofAoccurrencesAofAtheAalleleAdividedAbyAtwiceAthe
numberAofAindividualsAinAtheAsampleA(2n).
IfAaApopulationAisAnotAinAHardy-WeinbergAequilibrium,AweAcan
concludeAthat:A-
AcorrectAanswersevolutionAhasAoccurredAbecauseAoneAofAtheAassumptionsAofAthe
Hardy-WeinbergAequilibriumAhasAbeenAviolated.
TheAgoldenrodAgallAflyAlaysAitsAeggsAonAtheAterminalAbudsAof
goldenrodAplants.ALarvaeAchewAthroughAtheAbudsAandAintoAtheAstems,
whereAtheirAsalivaAinducesAtheAplantAtoAgenerateAaAgallA(anAoutgrowth
ofAtissue).AThisAgallAthenAprovidesAfoodAandAshelterAforAthe
developingAlarva.ATheAlarvaeAareApreyAofAbothAparasitoidAwaspsAand
birds.AWaspsAselectivelyApreyAonAlarvaeAinsideAtheAsmallest
gallsAwhileAbirdsAselectivelyApreyAonAlarvaeAinsideAtheAlargestAgalls.
GoldenrodAgallAfliesAareAthereforeAsubjectAtoA-AcorrectAanswersstabilizingAselection.
YouAfindAthatAaAwildApopulationAofAantelopeAisAnotAinAHWE.AFromAthis