n n n n n n n n
Test Bank n
tonaccompany
Ecology, Fifth Edition
n n
Bowmann•nHacker
Chapter 1: The Web of Life
n n n n n
TESTnBANKnQUESTIONS
MultiplenChoice
1. Whatnisnonenreasonnthatnamphibiansnarenespeciallyngoodnbiologicalnindicatorsnofne
nvironmentalnconditions?
a. Theynliveninnbothnterrestrialnandnaquaticnenvironments.
b. Itnisndifficultnfornpollutantsntonpassnthroughntheirnskin.
c. Theynarendecliningninnnumber.
d. Theyncanntoleratenhighnlevelsnofnpollution.
Answer:na
TextbooknReference:nDeformitynandnDeclineninnAmphibiannPopulations:nAnCasenStudy
LearningnObjective:nNotnaligned
Bloom’snLevel:n2.nUnderstanding
2. ThenecologicalnstudynofntheneffectnofnRibeiroianandnpesticidesnonnfrognpopulationsns
uggestsnthatnallnofnthesenstatementsnaboutnthenstudynofnecologynarentruenexceptnthat
a. itndescribesnhownorganismsnaffectnthenenvironment.
b. itndescribesnhownthenenvironmentnaffectsnorganisms.
c. itnstudiesnhownbioticnandnabioticnfactorsnaffectneachnother.
d. humansnarennotnpartnofnitsnsubjectnmatter.
Answer:nd
TextbooknReference:n1.1nEventsninnthennaturalnworldnareninterconnected.
LearningnObjective:n 1.1.1nExplainnhowninteractionsnbetweennorganismsnandntheirnenviron
mentncannaffectnothernorganismsnandnpotentiallynleadntonunexpectednconsequences.nBloom’s
nLevel:n3.nApplying
3. WestnNilenvirusncannbenconsiderednannexamplenofnannunintendednconsequencenofne
cologicalninteractionsnbecausenit
a. originatedninnAfrica.
b. isntransmittednbynmosquitoes.
c. emergednduentonhumannimpactsnonnthenenvironment.
d. isnincreasingnrapidlynduentonanriseninntrematodenpopulations.
Answer:nc
TextbooknReference:n1.1nEventsninnthennaturalnworldnareninterconnected.
LearningnObjective:n1.1.1nExplainnhowninteractionsnbetweennorganismsnandntheirnenviron
mentncannaffectnothernorganismsnandnpotentiallynleadntonunexpectednconsequences.nBloom’s
nLevel:n3.nApplying
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n n n n n n n n
4. Inn1878,nsealnhuntersnintroducednrabbitsntonMacquarienIsland,nbetweennAustralianandnA
ntarctica.nThenrabbitnpopulationnsoarednandnthenMyxomanvirusnwasnthennintroducedntonkil
lnoffnrabbits.nItnworked,nbutnthenislands’ncats,nwhichnhadndependednonnthenrabbitsnfornfood,
nbeganneatingnseabirdsninstead.nTonsaventhenseabirds,nscientistsnstartednanprogramntonkillnof
fnthencats.nTwenty-
fournyearsnlater,ninn2009,nthenrabbitnpopulationnhadnexplodednagain,nandnrabbitsnwerenrava
gingnnativenplantnspeciesnandndevastatingnthenisland’snecosystem.nThisnstorynappearsntonb
enannexamplenof
a. sound,nresponsiblenecologicalnmanagement.
b. unintendednecologicalnconsequences.
c. predictablenbutnunavoidablenconsequences.
d. anseriesnofncatastrophesnresultingnfromnrandomnchance.
Answer:nd
TextbooknReference:n1.1nEventsninnthennaturalnworldnareninterconnected.
LearningnObjective:n1.1.1nExplainnhowninteractionsnbetweennorganismsnandntheirnenviron
mentncannaffectnothernorganismsnandnpotentiallynleadntonunexpectednconsequences.nBloom’s
nLevel:n4.nAnalyzing
5. WhatnevidencenlednRuthnandnSessionsntonconcludenthatnparasitesncouldnbenthencausenofns
omenofnthendeformitiesninnthenfrogsnfoundninnthenpondsnofnNorthernnCalifornia?
a. Nonenofnthendeformednfrogsnfoundninnthenpondsnwereninfectednwithnthenparasites.
b. Theyndirectlynobservednthenparasitesncausingnthendeformities.
c. Glassnbeadsnplacednnearnthenlocationnofnlimbndevelopmentninntadpolesnmimickednthene
ffectnofnparasitesnandncausedndeformities.
d. Deformitiesninnthenfrogsnoccurredninnnaturenbutnnotninnthenlaboratory.
Answer:nc
TextbooknReference:n1.1nEventsninnthennaturalnworldnareninterconnected.
LearningnObjective:nNotnaligned
Bloom’snLevel:n2.nUnderstanding
6. Innadditionntonthenfrogsnthemselves,nwhichnorganismsnactnasnhostsnfornthenflatwormnthatnh
asnbeennlinkedntondeformitiesninnfrogs?
a. Birdsnandnsnails
b. Snailsnandnturtles
c. Turtlesnandnbirds
d. Snailsnandnclams
Answer:na
TextbooknReference:n1.1nEventsninnthennaturalnworldnareninterconnected.
LearningnObjective:nNotnaligned
Bloom’snLevel:n1.nRemembering
7. Referntonthenfigure.
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n n n n n n n n
ThenfigurenisnbasednonnJohnson’snexperimentnonntheneffectsnofntrematodenparasitesnonntadpol
es.nWhichnstatementnbestndescribesnthencontrolngroupninnthenexperiment?
a. Tadpolesnwerengrownninnthenabsencenofntrematodenparasites.
b. Tadpolesnwerenallowedntongrowninnnetsninntheirnnaturalnenvironment.
c. Tadpolesnwerengrownninnthenpresencenofnonlynonentrematodenparasite.
d. Tadpolesnwerengrownninnantankninnwhichnthenconcentrationnofntrematodenparasitesnwasns
imilarntonthenparasitenconcentrationnofnpondsninnwhichndeformednfrogsnwerenfound.nAnsw
er:na
TextbooknReference:n1.1nEventsninnthennaturalnworldnareninterconnected.
LearningnObjective:nNotnaligned
Bloom’snLevel:n2.nUnderstanding
8. Referntonthenfigure.
ThenfigurenisnbasednonnJohnson’snexperimentnonntheneffectsnofntrematodenparasitesnonntadpol
es.nWhichnclaimnisnsupportednbynthenfigure?
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n n n n n n n n
a. Asnthennumbernofnparasitesnthatnthentadpolesnwerenexposedntondecreased,nthenpercentageno
fnsurvivingnfrogsnwithndeformitiesnincreased.
b. Asnthennumbernofnparasitesnthatnthentadpolesnwerenexposedntonincreased,nthenpercentageno
fnsurvivingntadpolesndecreased.
c. Ifntherenwerennonparasitesnpresent,n100%nofnthentadpolesnsurvivedntonmetamorphosis.
d. Tadpolesnwithnmoderatenlevelsnofnparasitesnhadnthenlowestnpercentnofndeformitiesninna
dults.
Answer:nb
TextbooknReference:n1.1nEventsninnthennaturalnworldnareninterconnected.
LearningnObjective:nNotnaligned
Bloom’snLevel:n4.nAnalyzing
9. Referntonthenfigure.
ThenfigurenisnbasednonnJohnson’snexperimentnonntheneffectsnofntrematodenparasitesnonntadpol
es.nSupposenthatn60ntadpolesnarenexposednton32nparasitesnperntadpole.nBasednonnthenresultsnofn
thenfigure,naboutnhownmanyntadpolesnwouldnyounexpectntonsurviventonmetamorphosis?
a. 12
b. 25
c. 40
d. 58
Answer:nb
TextbooknReference:n1.1nEventsninnthennaturalnworldnareninterconnected.
LearningnObjective:nNotnaligned
Bloom’snLevel:n3.nApplying
10. Referntonthenfigure.
©n2021nOxfordnUniversitynPress
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