Test Bank to Accompany Life The Science of Biology, 10th Edition Sadava, Hillis, Heller, Berenbaum

Test Bankm

tomaccompany
Life: The Science of Biology, Tenth Edition
m m m m m m

Sadavam•mHillism•mHellerm•mBerenbaum

Chapter 55: Population Ecology
m m m




TEST FILE QUESTIONS
m m

(BymEricamBergquist)

MultiplemChoice

1.mThempatternsmandmprocessesmofmchangesminmpopulationsmaremcalledmpopulation
a.mstructure.
b.mdemography.
c.mdensity.
d.mdispersion.
e.mdynamics.
Answer:me
TextbookmReference:m55.1mHowmDomEcologistsmMeasuremPopulations?
Bloom’smCategory:m1.mRemembering

2.mIfmfourmhundredmrobinsmaremfoundminmamten-
hectaremplot,mthemdensitymofmrobinsminmthatmplotmism_______mrobin(s)/ha.
a.m1
b.m4
c.m40
d.m400
e.m4,000
Answer:mc
TextbookmReference:m55.1mHowmDomEcologistsmMeasuremPopulations?
Bloom’smCategory:m3.mApplying

3.mIfmamtotalmofm2,400moakmtreesmaremcountedminmam6mkmm×m2mkmmrectangularmpatchmofmland,
mthemdensitymofmthemoakmtreesmism_______mpermsquaremkm.

a.m24
b.m48
c.m96
d.m120
e.m200
Answer:me
TextbookmReference:m55.1mHowmDomEcologistsmMeasuremPopulations?
Bloom’smCategory:m3.mApplying




©m2014mSinauermAssociates,mInc.

,4.mSupposemthempopulationmdensitymofmamsamplemfrommambagwormmpopulationmism45mpermsq
uaremmeter.mAssumingmthatmthempopulationmismuniformlymdistributed,mwhatmwouldmbemthemp
opulationmsizemifmthembagwormsmencompassedmanmareamthatmwasm1mkmm×m200mm?
a.m200,000
b.m900,000
c.m9mmillion
d.m20mmillion
e.m90mmillion
Answer:mc
TextbookmReference:m55.1mHowmDomEcologistsmMeasuremPopulations?
Bloom’smCategory:m3.mApplying

5.mFormwhichmofmthemfollowingmpopulationsmwouldmbiologistsmmostmlikelymusemnumbermofmi
ndividualsmpermunitmofmvolume,mrathermthanmnumbermofmindividualsmpermunitmofmarea,minmme
asuringmpopulationmdensity?
a.mPinemtreesminmamforest
b.mMiceminmampatchmofmgrassland
c.mGuppiesminmamlake
d.mSquirrelsmonmamcampus
e.mOakmseedlingsminmambackyard
Answer:mc
TextbookmReference:m55.1mHowmDomEcologistsmMeasuremPopulations?
Bloom’smCategory:m2.mUnderstanding

6.mFormwhichmofmthemfollowingmcouldmpopulationmdensitiesmbemestimatedmmostmeasily?
a.mPinemtrees
b.mMarsupials
c.mGuppies
d.mSquirrels
e.mChimpanzees
Answer:ma
TextbookmReference:m55.1mHowmDomEcologistsmMeasuremPopulations?
Bloom’smCategory:m2.mUnderstanding

7.mInmamstudymofmthempopulationmdensitymofmapplemmaggotmflies,m150mfliesmaremcapturedmand
mmarkedminmthemfirstmsampling.mTwomdaysmlater,m300mfliesmaremcaptured,m15mofmwhichmhave

mmarks.mBasedmonmthesemresults,mthemestimatedmnumbermofmapplemmaggotmfliesminmthismpopu

lationmwouldmbe
a.m300.
b.m600.
c.m1,500.
d.m3,000.
e.m6,000.
Answer:md
TextbookmReference:m55.1mHowmDomEcologistsmMeasuremPopulations?
Bloom’smCategory:m3.mApplying



©m2014mSinauermAssociates,mInc.

,8.mInmamstudymofmthempopulationmdensitymofmbullfrogs,m25maremcapturedmandmmarkedminmthem
firstmsampling.mFivemdaysmlater,m30mfrogsmaremcaptured,m10mofmwhichmhavemmarks.mBasedmo
nmthesemresults,mthemestimatedmnumbermofmbullfrogsminmthismpopulationmwouldmbe
a.m40.
b.m55.
c.m65.
d.m75.
e.m250.
Answer:md
TextbookmReference:m55.1mHowmDomEcologistsmMeasuremPopulations?
Bloom’smCategory:m3.mApplying

9.mWhichmofmthemfollowingmismnotmonemofmthemconditionsmthatmwouldmbiasmanmestimatemmad
emfrommammark-recapturemstudy?
a.mMovementmofmindividualsmawaymfrommthemstudymsite
b.mGreatermsusceptibilitymofmmarkedmindividualsmtompredation
c.mFreeminterminglingmofmmarkedmindividualsmwithmunmarkedmindividuals
d.mMarkedmindividuals’mpreferencemformtraps
e.mNonemofmthemabove
Answer:mc
TextbookmReference:m55.1mHowmDomEcologistsmMeasuremPopulations?
Bloom’smCategory:m2.mUnderstanding

10.mResearchersmarembeginningmamstudymofmamfieldmmousempopulation.mTomdeterminemthembe
stmproceduresmtomusemformthemmark-
recapturemmethod,mthemresearchersmtrymoutmdifferentmtraps,mbaits,mmarkingmmethods,mandmti
memintervalsmbetweenmfirstmandmsecondmcaptures.mAftermfivemtrials,mtheymhavemcalculatedmth
esemestimatesmofmpopulationmsize:m96mmice,m172mmice,m169mmice,m168mmice,mandm174mmice
.mWhichmofmthemfollowingmtrialmconditionsmwouldmaccountmformthemlowmestimatemofm96mmic
eminmthemfirstmtrial?
a.mThemsecondmcapturemtookmplacemtoomsoonmaftermreleasemofmmarkedmmice.
b.mPredatorsmtargetedmthemmarkedmmicemmoremthanmthemunmarkedmmice.
c.mMarkedmmicemweremunablemtomfeedmasmwellmasmunmarkedmmice.
d.mMarkedmmicemavoidedmbeingmcapturedmamsecondmtime.
e.mManymmicemweremablemtomentermandmleavemtrapsmwithoutmbeingmcaptured.
Answer:ma
TextbookmReference:m55.1mHowmDomEcologistsmMeasuremPopulations?
Bloom’smCategory:m5.mEvaluating

11.mThempopulationmcharacteristicsmofmdeer,melk,mandmothermgamemanimalsmaremdeterminedm
primarilymfrommhuntingmseasonmdatamcollectedmfrommkilledmanimals.mWhenmanalyzingmthes
emdatamtomestimatempopulationmsize,magemstructure,mandmsexmratio,mbiologistsmmustmadjustmth
eirmcalculationsmtomcompensatemformamnumbermofmfeaturesmofmamhunt.Whichmofmthemfollowin
gmismnotmonemofmthosemfeatures?
a.mThemhuntmchangesmthempopulationmsize.



©m2014mSinauermAssociates,mInc.

, b.mMalesmmaymbemkilledmmoremoftenmthanmfemales.
c.mVerymold,mslowmanimalsmmaymbemkilledmmoremoftenmthanmmiddle-agedmones.
d.mFirst-year,mnaivemanimalsmmaymbemkilledmmoremoftenmthanmolder,mexperiencedmones.
e.mLargemanimalsmmaymbemkilledmmoremfrequentlymthanmsmallmanimalsmofmthemsamemage.
Answer:me
TextbookmReference:m55.1mHowmDomEcologistsmMeasuremPopulations?
Bloom’smCategory:m2.mUnderstanding

12.mWhichmofmthemfollowingmrepresentsmthemcorrectmrankingmofmdispersalmpatterns,mfrommth
emonemthatmhasmthemgreatestmaveragemdistancembetweenmonemindividualmandmitsmnearestmneig
hbormtomthemonemthatmhasmthemleastmdistance?
a.mRandomm>mclumpedm>mregular
b.mRandomm>mregularm>mclumped
c.mRegularm>mrandomm>mclumped
d.mRegularm>mclumpedm>mrandom
e.mClumpedm>mregularm>mrandom
Answer:mc
TextbookmReference:m55.1mHowmDomEcologistsmMeasuremPopulations?
Bloom’smCategory:m2.mUnderstanding

13.mInmthemspring,meachmmalemredwingmblackbirdmestablishesmambreedingmterritorymandmprev
entsmothermmalesminmitsmpopulationmfrommentering.mThemdistributionmpatternmofmthesemmalem
redwingmblackbirdsmismtherefore
a.mrandom.
b.mcohort.
c.mclumped.
d.mregular.
e.mlogistic.
Answer:md
TextbookmReference:m55.1mHowmDomEcologistsmMeasuremPopulations?
Bloom’smCategory:m2.mUnderstanding

14.mWhenmwhitempinemseedsmaremblownmbymwindmintomanmopenmfield,myoungmpinemtreesmgro
wmwherevermthemseedsmland.mAsmthempinemtreesmgetmlarger,mtheymbeginmcrowdingmeachmothe
rmandmcompetingmformspacemandmlight.mMostmofmthempinemtreesmdie,mandmthosempinemtreesmtha
tmcontinuemtomlivemaremeachmlocatedmatmamdistancemfrommtheirmnearestmpinemneighbors.mWhic
hmofmthemfollowingmstatementsmconcerningmthemdistributionmpatternmofmamwhitempinempopula
tionmovermtimemismtrue?
a.mThemtreesmwillmbemclumpedmatmallmages.
b.mThemtreesmwillmbemclumpedmwhenmyoungmandmrandomlymspacedmwhenmolder.
c.mThemtreesmwillmbemrandomlymspacedmwhenmyoungmandmclumpedmwhenmolder.
d.mThemtreesmwillmbemrandomlymspacedmwhenmyoungmandmregularlymspacedmwhenmolder.
e.mThemtreesmwillmbemregularlymspacedmatmallmages.
Answer:md
TextbookmReference:m55.1mHowmDomEcologistsmMeasuremPopulations?
Bloom’smCategory:m4.mAnalyzing



©m2014mSinauermAssociates,mInc.