Evolution of modern birds, Class Aves - PowerPoint PPT Presentation

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Evolution of modern birds, Class Aves

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Archaeopteryx skeleton. Pneumatized bone of birds. Bird flight & perching muscles. Bird bills or beaks. Bird respiratory system ... – PowerPoint PPT presentation

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Title: Evolution of modern birds, Class Aves


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Evolution of modern birds, Class Aves
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(No Transcript)
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Bird body plan
Bird wing
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Crow skeleton -gt
Archaeopteryx skeleton ?
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Pneumatized bone of birds
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Bird flight perching muscles
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Bird bills or beaks
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Bird respiratory system
Follow a single volume of air through respiratory
system
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Salt secretion glands of gull
10
Bird egg structure
11
Bird wing forms
12
Penguins break up the soccer game on Antarctic
ice shelf
13
Chillin with the penguins beer must be drunk
before freezing
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