Size & Shape - WSU
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1 Size and Shape
Transcript of Size & Shape - WSU
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Size and Shape
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Allometry
(scaling)
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AllometryScaling—compensation
“Incongruity”
Protorohippus
Mesohippus
Miohippus
Merychippus
Equus
Skull
Face
Young
Colt
Juvenile
Adult
Skull
Face
Evolution
Growth
Protorohippus
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Mesohippus Merychippus
Irish “elk” (deer)
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SHAPE
DuBrul
CavyHare
Rat
Hare Cavy
Pika
Hare
Pika
Rat
Hare
Cavy
Rat—normal
Rat—exp
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Proportions
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CONCLUSIONS
1) Pattern—fixed association parts
2) Evolution of Pattern
amplification—horse family
close down—legless lizards/snakes
RAPID EVOLUTION—modification of a pattern
