'Flight muscles' diaporamas de présentation

Chapter 29 Reptiles and Birds

Chapter 29 Reptiles and Birds. Section 1: Reptiles. Section 2: Birds. Reptiles and Birds. Characteristics that allow reptiles to succeed on land include a shelled egg,. scaly skin, and more efficient circulatory and respiratory systems. Chapter 29. 29.1 Reptiles.

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CHAPTER 21

CHAPTER 21. Hexapods. Diversity and Characteristics. Subphylum Hexapoda Members named for the presence of six legs Have 3 tagmata Head Thorax Abdomen Appendages attach to head and thorax Main class within Hexapoda

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Chordates

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Birds

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Birds

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Phylum Arthropoda :

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Class Aves

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Class Aves: Birds

Class Aves: Birds. Characteristics . Feathers Wings Beak/Bill Oviparous Lightweight skeleton Molting. Penelopedis panini. Feathers. Made of keratin Plumage- covering of feathers on a bird. Function. Form flight surfaces that provide lift and aid steering Prevent excessive heat loss

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Name:_______________________________________

Name:_______________________________________

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