c c c c c c c c
Test Bank c
tocaccompany
Ecology, Fifth Edition
c c
Bowmanc•cHacker
Chapter 1: The Web of Life
c c c c c
TESTcBANKcQUESTIONS
MultiplecChoice
1. Whatcisconecreasoncthatcamphibianscarecespeciallycgoodcbiologicalcindicatorscofce
nvironmentalcconditions?
a. Theyclivecincbothcterrestrialcandcaquaticcenvironments.
b. Itciscdifficultcforcpollutantsctocpasscthroughctheircskin.
c. Theycarecdecliningcincnumber.
d. Theyccanctoleratechighclevelscofcpollution.
Answer:ca
TextbookcReference:cDeformitycandcDeclinecincAmphibiancPopulations:cAcCasecStudy
LearningcObjective:cNotcaligned
Bloom’scLevel:c2.cUnderstanding
2. ThececologicalcstudycofctheceffectcofcRibeiroiacandcpesticidesconcfrogcpopulationscs
uggestscthatcallcofcthesecstatementscaboutcthecstudycofcecologycarectruecexceptcthat
a. itcdescribeschowcorganismscaffectcthecenvironment.
b. itcdescribeschowcthecenvironmentcaffectscorganisms.
c. itcstudieschowcbioticcandcabioticcfactorscaffectceachcother.
d. humanscarecnotcpartcofcitscsubjectcmatter.
Answer:cd
TextbookcReference:c1.1cEventscincthecnaturalcworldcarecinterconnected.
LearningcObjective:c1.1.1cExplainchowcinteractionscbetweencorganismscandctheircenvironm
entccancaffectcothercorganismscandcpotentiallycleadctocunexpectedcconsequences.cBloom’scLe
vel:c3.cApplying
3. WestcNilecvirusccancbecconsideredcancexamplecofcancunintendedcconsequencecofce
cologicalcinteractionscbecausecit
a. originatedcincAfrica.
b. isctransmittedcbycmosquitoes.
c. emergedcduectochumancimpactsconcthecenvironment.
d. iscincreasingcrapidlycduectocacrisecinctrematodecpopulations.
Answer:cc
TextbookcReference:c1.1cEventscincthecnaturalcworldcarecinterconnected.
LearningcObjective:c1.1.1cExplainchowcinteractionscbetweencorganismscandctheircenvironm
entccancaffectcothercorganismscandcpotentiallycleadctocunexpectedcconsequences.cBloom’scLe
vel:c3.cApplying
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c c c c c c c c
4. Inc1878,csealchunterscintroducedcrabbitsctocMacquariecIsland,cbetweencAustraliacandcA
ntarctica.cThecrabbitcpopulationcsoaredcandcthecMyxomacviruscwascthencintroducedctockillc
offcrabbits.cItcworked,cbutcthecislands’ccats,cwhichchadcdependedconcthecrabbitscforcfood,cb
eganceatingcseabirdscinstead.cTocsavecthecseabirds,cscientistscstartedcacprogramctockillcoffcth
eccats.cTwenty-
fourcyearsclater,cinc2009,cthecrabbitcpopulationchadcexplodedcagain,candcrabbitscwerecrava
gingcnativecplantcspeciescandcdevastatingcthecisland’scecosystem.cThiscstorycappearsctocbec
ancexamplecof
a. sound,cresponsiblececologicalcmanagement.
b. unintendedcecologicalcconsequences.
c. predictablecbutcunavoidablecconsequences.
d. acseriescofccatastrophescresultingcfromcrandomcchance.
Answer:cd
TextbookcReference:c1.1cEventscincthecnaturalcworldcarecinterconnected.
LearningcObjective:c1.1.1cExplainchowcinteractionscbetweencorganismscandctheircenvironm
entccancaffectcothercorganismscandcpotentiallycleadctocunexpectedcconsequences.cBloom’scLe
vel:c4.cAnalyzing
5. WhatcevidencecledcRuthcandcSessionsctocconcludecthatcparasitesccouldcbectheccausecofcso
mecofcthecdeformitiescincthecfrogscfoundcincthecpondscofcNortherncCalifornia?
a. Nonecofcthecdeformedcfrogscfoundcincthecpondscwerecinfectedcwithcthecparasites.
b. Theycdirectlycobservedcthecparasitesccausingcthecdeformities.
c. Glasscbeadscplacedcnearctheclocationcofclimbcdevelopmentcinctadpolescmimickedcthecef
fectcofcparasitescandccausedcdeformities.
d. Deformitiescincthecfrogscoccurredcincnaturecbutcnotcinctheclaboratory.
Answer:cc
TextbookcReference:c1.1cEventscincthecnaturalcworldcarecinterconnected.
LearningcObjective:cNotcaligned
Bloom’scLevel:c2.cUnderstanding
6. Incadditionctocthecfrogscthemselves,cwhichcorganismscactcaschostscforcthecflatwormcthatch
ascbeenclinkedctocdeformitiescincfrogs?
a. Birdscandcsnails
b. Snailscandcturtles
c. Turtlescandcbirds
d. Snailscandcclams
Answer:ca
TextbookcReference:c1.1cEventscincthecnaturalcworldcarecinterconnected.
LearningcObjective:cNotcaligned
Bloom’scLevel:c1.cRemembering
7. Referctocthecfigure.
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ThecfigureciscbasedconcJohnson’scexperimentconctheceffectscofctrematodecparasitesconcta
dpoles.cWhichcstatementcbestcdescribesctheccontrolcgroupcincthecexperiment?
a. Tadpolescwerecgrowncincthecabsencecofctrematodecparasites.
b. Tadpolescwerecallowedctocgrowcincnetscinctheircnaturalcenvironment.
c. Tadpolescwerecgrowncincthecpresencecofconlyconectrematodecparasite.
d. Tadpolescwerecgrowncincactankcincwhichcthecconcentrationcofctrematodecparasitescwascsi
milarctocthecparasitecconcentrationcofcpondscincwhichcdeformedcfrogscwerecfound.cAnswer
:ca
TextbookcReference:c1.1cEventscincthecnaturalcworldcarecinterconnected.
LearningcObjective:cNotcaligned
Bloom’scLevel:c2.cUnderstanding
8. Referctocthecfigure.
ThecfigureciscbasedconcJohnson’scexperimentconctheceffectscofctrematodecparasitesconcta
dpoles.cWhichcclaimciscsupportedcbycthecfigure?
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