,Biological bScience, bCanadian bEdition., b2e b(Freeman bet
bal.)bChapter b1 b bBiology band bthe bTree bof bLife
1) The bpattern bcomponent bof bthe bcell btheory bclaims bthat ball borganisms bconsist bof bcells.
A) true
B) false
bAnswer:
bA
Reference: bSection b1.1
bBloom's bLevel:
b Remembering
LOs: b Chp1-2. bDescribe bthe btwo bcomponents bof bthe bcell btheory.
2) How bdoes ba bscientific btheory bdiffer bfrom ba bscientific bhypothesis?
A) There bis bno bdifference—the bterms bare binterchangeable.
B) A btheory bis ban bexplanation bfor ba bvery bgeneral bphenomenon bor bobservation;
bhypotheses btreatbmore bspecific bobservations.
C) A bhypothesis bis ban bexplanation bfor ba bvery bgeneral bphenomenon; btheories btreat bmore
bspecificbissues.
D) Theories bdefine bscientific blaws; bhypotheses bare bused bto bset bup
bexperiments.bAnswer: bB
Reference: b Section b1.1
Bloom's bLevel: b Comprehension
LOs: b Chp1-2. bDescribe bthe btwo bcomponents bof bthe bcell btheory.
3) Algae bin bthe bgenus bCaulerpa btypically bgrow bto ba blength bof bover bhalf ba bmeter band
bhave bstructures bsimilar bto bstems, bleaves, band broots. bReproduction boccurs bwhen badults
bproduce bsperm band beggs bthat bfuse bto bform boffspring. bEach badult bCaulerpa, bhowever,
bconsists bof bjust ba bsingle bcell.bWhich bof bthe bfollowing bstatements bis btrue?
A) Caulerpa bviolate bthe bpattern bcomponent bof bthe bcell btheory—that ball borganisms bconsist bof
bcells.
B) Caulerpa bviolate bthe bprocess bcomponent bof bthe bcell btheory—that ball bcells
bcome bfrombpreexisting bcells.
C) Caulerpa bviolate bboth bthe bpattern band bprocess bcomponents bof bthe bcell btheory.
D) The bexistence bof bCaulerpa bis bconsistent bwith bthe bcell
btheory.bAnswer: b D
Reference: b Section b1.1
Bloom's bLevel: b Comprehension
LOs: b Chp1-2. bDescribe bthe btwo bcomponents bof bthe bcell btheory.
4) Which bstatement babout bspontaneous bgeneration bis bFALSE?
A) Pasteur bdemonstrated bthat bit bdoes bnot boccur bunder bnormal blaboratory bconditions.
B) It bapparently boccurred bat bleast bonce–when blife bon bEarth bbegan.
C) It boccurs bevery btime ba bnew bspecies bevolves bfrom ba bpreexisting bspecies.
D) It baddresses bthe bformation bof bliving bcells bfrom bpreviously bnonliving
bmaterial.bAnswer: b C
Reference: bSection b1.1
bBloom's bLevel:
b Remembering
LOs: b Chp1-2. bDescribe bthe btwo bcomponents bof bthe bcell btheory.
,5) Recall bPasteur's bexperiment bon bspontaneous bgeneration. bOriginally, bhe bused bsealed band
bunsealed bflasks binstead bof bswan-necked band bunsealed bflasks. bCritics bclaimed bthat bthe
bexperiment bwas binconclusive. bWhich bof bthe bfollowing bcriticisms bwould bbe baddressed bby
busing ba bswan-neckedbflask binstead bof bthe bsealed bflask?
A) The bbroth bwas bheated btoo bintensively.
B) There bhad bnot bbeen benough btime bfor bspontaneous bgeneration bto boccur.
C) Fresh bair bis brequired bfor bspontaneous bgeneration.
D) The bbroth bwas bnot bnutritious
benough.bAnswer: b C
Reference: b Section b1.1
Bloom's bLevel: b Comprehension/Applying
LOs: b Chp1-2. bDescribe bthe btwo bcomponents bof bthe bcell btheory.
6) Which bof bthe bfollowing bis bthe bbest bexample bof ba bheritable bvariation?
A) skin bcancer
B) amputation
C) red bhair
D) love bfor
bmusicbAnswer:
bC
Reference: b Section b1.2
Bloom's bLevel: b Comprehension
LOs: b Chp1-1. bName bfive bfundamental bcharacteristics bshared bby ball bliving borganisms.
7) How bdoes bartificial bselection bdiffer bfrom bnatural bselection?
A) Artificial bselection boccurs bonly bin bcomputer bsimulations, bnot bwith bactual borganisms.
B) Artificial bselection bis bbased bon bconscious bchoices bby bhumans.
C) Artificial bselection boccurs bonly bwith bplants.
D) Artificial bselection bis bnot bbased bon bheritable bvariation, bbut bon bnew
bmutations.bAnswer: bB
Reference: b Section b1.2
Bloom's bLevel: b Comprehension
LOs: b Chp1-3. bBriefly bexplain bthe btheory bof bnatural bselection, band bclarify bthe btwo
bconditions bthatbare bnecessary band bsufficient bfor bnatural bselection bto bbring babout
bevolutionary bchange bin ba bpopulation.
, 8) Over bthe bpast bseveral bdecades, bnatural bselection bhas bcaused bpopulations bof
bStaphylococcus baureus b(an binfectious bwound bbacterium) bto bevolve bresistance bto bmost
bantibiotics. bIf bantibiotic busebwere bstopped, bwhat bwould byou bpredict bwould bhappen bto
bthese bS. baureus bpopulations?
A) They bwill bgo bextinct bwithout bthe bantibiotic.
B) The bpopulations bwill bbegin bcolonizing bnew benvironments.
C) The bfrequency bof bnonresistant bforms bwill bincrease bin bthese bpopulations.
D) The bfrequency bof bresistant bforms bwill bdefinitely bincrease bin bthese
bpopulations.bAnswer: b C
Reference: bSection b1.2
bBloom's bLevel:
b Applying
LOs: bChp1-3. bBriefly bexplain bthe btheory bof bnatural bselection, band bclarify bthe btwo
bconditions bthatbare bnecessary band bsufficient bfor bnatural bselection bto bbring babout
bevolutionary bchange bin ba bpopulation.
9) Environments ball bover bthe bworld bare bchanging bas ba bresult bof bglobal bwarming.
bCould bthisbinfluence bnatural bselection?
A) No. bThe benvironment bis balways bchanging. bGlobal bwarming bis bnothing bnew.
B) Yes. bTraits bthat bhelp bindividuals bproduce bmore boffspring bin bwarmer
benvironments bwillbincrease bin bfrequency.
C) No. bThe bonly bchange bwill bbe bthat bspecies bfrom bhot benvironments bwill bexpand btheir
branges.
D) Yes. bMutations boccur bmore bfrequently bin bhot
benvironments.bAnswer: bB
Reference: bSection b1.2
bBloom's bLevel:
b Applying
LOs: b Chp1-3. bBriefly bexplain bthe btheory bof bnatural bselection, band bclarify bthe btwo
bconditions bthatbare bnecessary band bsufficient bfor bnatural bselection bto bbring babout
bevolutionary bchange bin ba bpopulation.
10) The b"heat" bin bchili bpeppers bis bdue bto ba bmolecule bcalled bcapsaicin. bSuppose byou bbreed
bchili bpeppers bthat bhave blow bamounts bof bcapsaicin bover bmany bgenerations bin border bto
bmake bthem bmilderb(have bless bcapsaicin). bWhat bprocess bis boccurring?
A) heritable bvariation
B) environmental bchange
C) natural bselection
D) artificial
bselectionbAnswer:
bD
Reference: b Section b1.2
Bloom's bLevel: b Comprehension/Remembering
LOs: b Chp1-3. bBriefly bexplain bthe btheory bof bnatural bselection, band bclarify bthe btwo
bconditions bthatbare bnecessary band bsufficient bfor bnatural bselection bto bbring babout
bevolutionary bchange bin ba bpopulation.
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