'Order struthioniformes' diaporamas de présentation

Class Aves

Class Aves. Copy me. Class Aves. Feathers No teeth Flexible long neck One occipital condyle Scales on legs Bones with air spaces Endothermic Four chambered heart. Copy me. Adaptations for Flight. Honey combed bones Air cavities Less weight. Copy me. Light Weight Skeleton.

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BIRD CLASSIFICATION

BIRD CLASSIFICATION. BIRDS. Birds are classified as members of Class Aves . The major characteristics of this class are: Adaptations for flight Appendages modified as wings Feathers Endothermy High metabolic rate Vertebral column modified for flight Bones lightened by air spaces

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IB-202-7 5-29-06

690 views • 48 slides

Class Aves

Class Aves. Feathers No teeth Flexible long neck One occipital condyle Scales on legs Bones with air spaces Endothermic Four chambered heart. Bird Classification. 28 orders 9600 species. 1) Subclass Archaeornithes - Old birds Ancestral birds; Extinct; (Jurassic Fossils)

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