fig. 14-00. fig. 14-01 branching evolution (results in speciation) nonbranching evolution (no new...
TRANSCRIPT
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Fig. 14-00
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Fig. 14-01
Branching Evolution(results in speciation)
Nonbranching Evolution(no new species)
PATTERNS OF EVOLUTION
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Fig. 14-02
Diversity within one speciesSimilarity between different species
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Fig. 14-02a
Similarity between different species
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Fig. 14-02b
Diversity within one species
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Fig. 14-03
VIABLE, FERTILE OFFSPRING
Hybrid breakdown
FERTILIZATION (ZYGOTE FORMS)
INDIVIDUALS OF DIFFERENT SPECIES
MATING ATTEMPT
Reduced hybrid fertility
Reduced hybrid viability
Temporal isolation
Habitat isolation
Behavioral isolation
Mechanical isolation
Gametic isolation
Prezygotic Barriers
Postzygotic Barriers
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Fig. 14-03a
INDIVIDUALS OF DIFFERENT SPECIES
MATING ATTEMPT
Temporal isolation
Habitat isolation
Behavioral isolation
Mechanical isolation
Gametic isolation
Prezygotic Barriers
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Fig. 14-03b
VIABLE, FERTILE OFFSPRING
Hybrid breakdown
FERTILIZATION (ZYGOTE FORMS)
INDIVIDUALS OF DIFFERENT SPECIES
Reduced hybrid fertility
Reduced hybrid viability
Postzygotic Barriers
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Fig. 14-04
Temporal Isolation Habitat Isolation
PREZYGOTIC BARRIERS
Mechanical Isolation Gametic IsolationBehavioral Isolation
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Fig. 14-04a
Temporal Isolation
Skunk species that mate at different times
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Fig. 14-04b
Habitat Isolation
Garter snake species from different habitats
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Fig. 14-04c
Mating ritual of blue-footed boobies
Behavioral Isolation
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Fig. 14-04d
Mechanical Isolation
Snail species whose genital openings cannot align
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Fig. 14-04e
Sea urchin species whose gametes cannot fuse
Gametic Isolation
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Fig. 14-05
Hybrid BreakdownReduced Hybrid FertilityReduced Hybrid Viability
POSTZYGOTIC BARRIERS
Donkey
Mule
Horse
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Fig. 14-05a
Frail hybrid salamander offspring
Reduced Hybrid Viability
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Fig. 14-05b
Reduced Hybrid Fertility
Mule (sterile hybrid ofhorse and donkey)
Donkey
Mule
Horse
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Fig. 14-05c
Hybrid Breakdown
Sterile next-generation rice hybrid
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Fig. 14-06
Allopatric speciation Simpatric speciation
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Fig. 14-07
Ammospermophilus harrisii Ammospermophilus leucurus
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Fig. 14-08
Geographicbarrier
Populationsinterbreed
Time
Populationsbecomeallopatric
Populationsbecomesympatric
Populationscannotinterbreed
Reproductiveisolation:Speciation hasoccurred
Gene pools merge:No speciation
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Fig. 14-09-1
DomesticatedTriticum monococcum(14 chromosomes)
Wild Triticum(14 chromosomes)
Sterile hybrid(14 chromosomes)
AA BB
AB
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Fig. 14-09-2
DomesticatedTriticum monococcum(14 chromosomes)
T. turgidumEmmer wheat(28 chromosomes)
Wild Triticum(14 chromosomes)
Sterile hybrid(14 chromosomes)
AA BB
AA BB
AB
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Fig. 14-09-3
DomesticatedTriticum monococcum(14 chromosomes)
T. turgidumEmmer wheat(28 chromosomes)
WildT. tauschii(14 chromosomes)
Wild Triticum(14 chromosomes)
Sterile hybrid(14 chromosomes)
Sterile hybrid(21 chromosomes)
AA BB DD
ABD
AA BB
AB
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Fig. 14-09-4
DomesticatedTriticum monococcum(14 chromosomes)
T. turgidumEmmer wheat(28 chromosomes)
WildT. tauschii(14 chromosomes)
Wild Triticum(14 chromosomes)
T. aestivumBread wheat(42 chromosomes)
Sterile hybrid(14 chromosomes)
Sterile hybrid(21 chromosomes)
AA BB DD
AA BB DD
ABD
AA BB
AB
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Fig. 14-09a
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Fig. 14-10
Punctuatedmodel
Graduatedmodel
Time
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Fig. 14-11
Wing claw(like reptile)
Teeth(like reptile)
Long tail withmany vertebrae
(like reptile)
Feathers
Fossil Artist’s reconstruction
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Fig. 14-11a
Fossil
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Fig. 14-11bWing claw(like reptile)
Teeth(like reptile)
Long tail withmany vertebrae
(like reptile)
Feathers
Artist’s reconstruction
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Fig. 14-12Gills
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Fig. 14-13
Chimpanzee fetus Chimpanzee adult
Human adult(paedomorphic features)
Human fetus
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Fig. 14-13a
Chimpanzee fetus Chimpanzee adult
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Fig. 14-13b
Human adult(paedomorphic features)
Human fetus
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Fig. 14-14
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Fig. 14-14a
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Fig. 14-14b
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Fig. 14-14c
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Fig. 14-14d
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Fig. 14-14e
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Fig. 14-15
Carbon-14 in shell
Time (thousands of years)
Radioactive decayof carbon-14
How carbon-14dating isused to determinethe vintageof a fossilizedclam shell
Car
bo
n-1
4 r
adio
acti
vity
(a
s %
of
livi
ng
org
an
ism
’sC
-14
to C
-12
rati
o)
100
75
0
50
25
0 5.6 50.411.2 16.8 22.4 28.0 33.6 39.2 44.8
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Fig. 14-15a
Time (thousands of years)
Radioactive decay of carbon-14
Ca
rbo
n-1
4 r
ad
ioa
ctiv
ity
(as
% o
f liv
ing
org
an
ism
’sC
-14
to
C-1
2 r
atio
)
100
75
0
50
25
0 5.6 50.411.2 16.8 22.4 28.0 33.6 39.2 44.8
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Fig. 14-15b-1
Carbon-14 in shell
How carbon-14 dating is used to determinethe vintage of a fossilized clam shell
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Fig. 14-15b-2
Carbon-14 in shell
How carbon-14 dating is used to determinethe vintage of a fossilized clam shell
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Fig. 14-15b-3
Carbon-14 in shell
How carbon-14 dating is used to determinethe vintage of a fossilized clam shell
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Fig. 14-16
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Fig. 14-17
Pangaea
Pre
sen
t
Pal
eozo
icC
eno
zoic
Mes
ozo
ic
251
mil
lio
n y
ears
ag
o13
565
Laurasia
Gondwana
Eurasia
IndiaMadagascar
North Americ
a
AfricaSouthAmerica
Antarctica Australia
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Fig. 14-18-1
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Fig. 14-18-2
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Fig. 14-18-3
Chicxulubcrater
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Fig. 14-19
Jaguar (Panthera onca)
Lion (Panthera leo)Tiger (Panthera tigris)
Leopard (Panthera pardus)
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Fig. 14-19a
Leopard (Panthera pardus)
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Fig. 14-19b
Tiger (Panthera tigris)
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Fig. 14-19c
Lion (Panthera leo)
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Fig. 14-19d
Jaguar (Panthera onca)
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Fig. 14-20
Leopard (Panthera pardus)
SpeciesPantherapardus
GenusPanthera
FamilyFelidae
OrderCarnivora
ClassMammalia
PhylumChordata
KingdomAnimalia
DomainEukarya
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Fig. 14-20aSpeciesPanthera pardus
GenusPanthera
FamilyFelidae
OrderCarnivora
ClassMammalia
PhylumChordata
KingdomAnimalia
DomainEukarya
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Fig. 14-20b
Leopard (Panthera pardus)
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Fig. 14-21
Panthera pardus
(leopard)
SpeciesGenus
Felidae
Order
Carnivora
Family
Canis
Lutra
Panthera
Mephitis
Canidae
Mustelidae
Canis lupus(wolf)
Canis latrans
(coyote)
Lutralutra
(Europeanotter)
Mephitis mephitis
(striped skunk)
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Fig. 14-22
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Fig. 14-23
Hair, mammaryglands
Long gestation
Gestation
Duck-billedplatypus
Iguana Outgroup(reptile)
Ingroup(mammals)
Beaver
Kangaroo
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Fig. 14-24
Lizardsand snakes
Crocodilians
Saurischiandinosaurs
Ornithischiandinosaurs
Pterosaurs
Birds
Commonancestor ofcrocodilians,dinosaurs,and birds
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Fig. 14-25
KingdomAnimalia
Domain Archaea Earliest organisms
Domain Bacteria
Domain Eukarya
KingdomFungi
KingdomPlantae
The protists(multiplekingdoms)
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Fig. 14-26
American black bear
Eutherians (5,010 species)
Millions of years ago
Monotremes (5 species)
Marsupials (324 species)
Ancestral mammal
Reptilian ancestor
Extinction of dinosaurs
250 200 150 100 5065 0
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Fig. 14-26a
Eutherians (5,010 species)
Millions of years ago
Monotremes (5 species)
Marsupials (324 species)
Ancestral mammal
Reptilian ancestor
Extinction of dinosaurs
250 200 150 100 5065 0
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Fig. 14-26b
American black bear
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Fig. 14-T01
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Fig. 14-T01a
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Fig. 14-T01b
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Fig. 14-T01c
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Fig. 14-T01d
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Fig. 14-UN01
Postzygotic barriers Gametes Viable,fertile
offspring
Zygote
Prezygotic barriers • Reduced hybrid viability• Reduced hybrid fertility• Hybrid breakdown
• Temporal isolation• Habitat isolation• Behavioral isolation• Mechanical isolation• Gametic isolation
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Fig. 14-UN02
Sympatric speciation(occurs without
geographic isolation)
Allopatric speciation(occurs after
geographic isolation)
Parentpopulation
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Fig. 14-UN03
Earliestorganisms
Eukarya
Bacteria
Archaea