atmoder
foresta
dsava
aelepha
tsareasdisti
ctfromeachotherasAsia
elepha
tsa
dmammoths
Thescie
tistsuseddetaileda
alysistoprovethattheAfricasava
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ta
dAfricaforestelepha
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disti
ctspeciesforseveralmillio
yearsThediverge
ceofthetwospeciestookplacearou
dthetimeofthediverge
ceofAsia
elepha
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tists
Therehaslo
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itythatthetwomightbeseparatespeciesbutthisisthemostco
vi
ci
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cesofarthattheyarei
deeddiffere
tspecies
Previouslyma
y
aturalistsbelievedthatAfrica
sava
aelepha
tsa
dAfrica
forestelepha
tsweretwopopulatio
softhesamespeciesdespitetheelepha
ts’sig
ifica
tsizediffere
cesThesava
aelepha
thasa
averageshoulderheightof35metreswhiletheforestelepha
thasa
averageshoulderheightof25metresThesava
aelepha
tweighsbetwee
sixa
dseve
to
sroughlydoubletheweightoftheforestelepha
tButthefactthattheylooksodiffere
tdoes
ot
ecessarilymea
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tspecieshowevertheprooflayi
thea
alysisoftheDNA
AlfredRocaassista
tprofessori
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imalScie
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iversityofIlli
oissaid“We
owhavetotreattheforesta
dsava
aelepha
tsastwodiffere
tu
itsforco
versatio
purposesSi
ce1950allAfrica
elepha
tshavebee
co
servedaso
especiesNowthatwek
owtheforesta
dsava
aelepha
tsaretoverydisti
ctivea
imalstheforestelepha
tshouldbecomeabiggerpriority优先forco
servatio
purposes”
66O
eofthefossilsstudiedbytheresearchersisthatof________
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elepha
t
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t
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t
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o
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67Theu
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Paragraph4mea
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D
exami
atio

68Theresearchers’co
clusio
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elepha

t’s________
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A
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t
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69WhatareAlfredRoca’sWordsmai
lyabout
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servatio
ofAfrica
elepha
ts
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gAfrica
elepha
ts
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elepha
tsi
totwou
its
DThereaso
forthedisti
ctio
ofAfrica
elepha
ts
70Whichofthefollowi
gca
bethebestlittleforthepassage
ANaturalists’BeliefsaboutElepha
ts
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