Test’Bank
to’accompany
Ecology,’Fifth’Edition
Bowman‘•‘Hacker
Chapter’1:’The’Web’of’Life
TEST’BANK’QUESTIONS
Multiple’Choice
1. What‘is‘one‘reason‘that‘amphibians‘are‘especially‘good‘biological‘indicators‘of‘e
nvironmental‘conditions?
a. They‘live‘in‘both‘terrestrial‘and‘aquatic‘environments.
b. It‘is‘difficult‘for‘pollutants‘to‘pass‘through‘their‘skin.
c. They‘are‘declining‘in‘number.
d. They‘can‘tolerate‘high‘levels‘of‘pollution.
Answer:’a
Textbook’Reference:’Deformity’and’Decline’in’Amphibian’Populations:’A’Case’Study
Learning’Objective:’Not’aligned
Bloom’s’Level:‘2.‘Understanding
2. The‘ecological‘study‘of‘the‘effect‘of‘Ribeiroia’and‘pesticides‘on‘frog‘populations‘s
uggests‘that‘all‘of‘these‘statements‘about‘the‘study‘of‘ecology‘are‘true‘except’that
a. it‘describes‘how‘organisms‘affect‘the‘environment.
b. it‘describes‘how‘the‘environment‘affects‘organisms.
c. it‘studies‘how‘biotic‘and‘abiotic‘factors‘affect‘each‘other.
d. humans‘are‘not‘part‘of‘its‘subject‘matter.
Answer:’d
Textbook’Reference:’1.1’Events’in’the’natural’world’are’interconnected.
Learning’Objective:‘ 1.1.1‘Explain‘how‘interactions‘between‘organisms‘and‘their‘environm
ent‘can‘affect‘other‘organisms‘and‘potentially‘lead‘to‘unexpected‘consequences.‘Bloom’s’Le
vel:‘3.‘Applying
3. West‘Nile‘virus‘can‘be‘considered‘an‘example‘of‘an‘unintended‘consequence‘of‘e
cological‘interactions‘because‘it
a. originated‘in‘Africa.
b. is‘transmitted‘by‘mosquitoes.
c. emerged‘due‘to‘human‘impacts‘on‘the‘environment.
d. is‘increasing‘rapidly‘due‘to‘a‘rise‘in‘trematode‘populations.
Answer:’c
Textbook’Reference:’1.1’Events’in’the’natural’world’are’interconnected.
Learning’Objective:‘1.1.1‘Explain‘how‘interactions‘between‘organisms‘and‘their‘environm
ent‘can‘affect‘other‘organisms‘and‘potentially‘lead‘to‘unexpected‘consequences.‘Bloom’s’Le
vel:‘3.‘Applying
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4. In‘1878,‘seal‘hunters‘introduced‘rabbits‘to‘Macquarie‘Island,‘between‘Australia‘and‘A
ntarctica.‘The‘rabbit‘population‘soared‘and‘the‘Myxoma‘virus‘was‘then‘introduced‘to‘kill
‘off‘rabbits.‘It‘worked,‘but‘the‘islands‘‘cats,‘which‘had‘depended‘on‘the‘rabbits‘for‘food,‘
began‘eating‘seabirds‘instead.‘To‘save‘the‘seabirds,‘scientists‘started‘a‘program‘to‘kill‘off‘
the‘cats.‘Twenty-
four‘years‘later,‘in‘2009,‘the‘rabbit‘population‘had‘exploded‘again,‘and‘rabbits‘were‘rava
ging‘native‘plant‘species‘and‘devastating‘the‘island‘s‘ecosystem.‘This‘story‘appears‘to‘be
‘an‘example‘of
a. sound,‘responsible‘ecological‘management.
b. unintended‘ecological‘consequences.
c. predictable‘but‘unavoidable‘consequences.
d. a‘series‘of‘catastrophes‘resulting‘from‘random‘chance.
Answer:’d
Textbook’Reference:’1.1’Events’in’the’natural’world’are’interconnected.
Learning’Objective:‘1.1.1‘Explain‘how‘interactions‘between‘organisms‘and‘their‘environm
ent‘can‘affect‘other‘organisms‘and‘potentially‘lead‘to‘unexpected‘consequences.‘Bloom’s’Le
vel:‘4.‘Analyzing
5. What‘evidence‘led‘Ruth‘and‘Sessions‘to‘conclude‘that‘parasites‘could‘be‘the‘cause‘of‘s
ome‘of‘the‘deformities‘in‘the‘frogs‘found‘in‘the‘ponds‘of‘Northern‘California?
a. None‘of‘the‘deformed‘frogs‘found‘in‘the‘ponds‘were‘infected‘with‘the‘parasites.
b. They‘directly‘observed‘the‘parasites‘causing‘the‘deformities.
c. Glass‘beads‘placed‘near‘the‘location‘of‘limb‘development‘in‘tadpoles‘mimicked‘the‘e
ffect‘of‘parasites‘and‘caused‘deformities.
d. Deformities‘in‘the‘frogs‘occurred‘in‘nature‘but‘not‘in‘the‘laboratory.
Answer:’c
Textbook’Reference:’1.1’Events’in’the’natural’world’are’interconnected.
Learning’Objective:’Not’aligned
Bloom’s’Level:‘2.‘Understanding
6. In‘addition‘to‘the‘frogs‘themselves,‘which‘organisms‘act‘as‘hosts‘for‘the‘flatworm‘that‘h
as‘been‘linked‘to‘deformities‘in‘frogs?
a. Birds‘and‘snails
b. Snails‘and‘turtles
c. Turtles‘and‘birds
d. Snails‘and‘clams
Answer:’a
Textbook’Reference:’1.1’Events’in’the’natural’world’are’interconnected.
Learning’Objective:’Not’aligned
Bloom’s’Level:‘1.‘Remembering
7. Refer‘to‘the‘figure.
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The‘figure‘is‘based‘on‘Johnson‘s‘experiment‘on‘the‘effects‘of‘trematode‘parasites‘on‘tadpo
les.‘Which‘statement‘best‘describes‘the‘control‘group‘in‘the‘experiment?
a. Tadpoles‘were‘grown‘in‘the‘absence‘of‘trematode‘parasites.
b. Tadpoles‘were‘allowed‘to‘grow‘in‘nets‘in‘their‘natural‘environment.
c. Tadpoles‘were‘grown‘in‘the‘presence‘of‘only‘one‘trematode‘parasite.
d. Tadpoles‘were‘grown‘in‘a‘tank‘in‘which‘the‘concentration‘of‘trematode‘parasites‘was‘si
milar‘to‘the‘parasite‘concentration‘of‘ponds‘in‘which‘deformed‘frogs‘were‘found.‘Answer
:‘ a
Textbook’Reference:’1.1’Events’in’the’natural’world’are’interconnected.
Learning’Objective:’Not’aligned
Bloom’s’Level:‘2.‘Understanding
8. Refer‘to‘the‘figure.
The‘figure‘is‘based‘on‘Johnson‘s‘experiment‘on‘the‘effects‘of‘trematode‘parasites‘on‘tadpo
les.‘Which‘claim‘is‘supported‘by‘the‘figure?
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