Documents Chapter 19 and 20 Notes, Birds and Mammals. Characteristics of Class Aves Forelimbs designed for...

Slide 1 Chapter 19 and 20 Notes, Birds and Mammals Slide 2 Characteristics of Class Aves Forelimbs designed for flight in most birds. Epidermis is covered in feathers, except…

Documents Aves Bio 2. Class Aves Feathers No teeth Flexible long neck – One occipital condyle Scales on legs...

Slide 1 Aves Bio 2 Slide 2 Class Aves Feathers No teeth Flexible long neck – One occipital condyle Scales on legs Bones with air spaces Endothermic Four chambered heart…