1. WARM UP
List 5 characteristics of amphibians and/or vertebrates.

2. Reptiles Notes
Phylum Chordata

3. General Characteristics
Skin with scales or spines
Made of keratin
Paired limbs
Usually five toes with claws
3+ chambered heart
Lungs
No gills
Eggs with shells and membranes
Ectothermic

4. Classification Crocodylia Crocodiles and alligators Ancient Long jaw
Near water
Long jaw
Teeth in sockets

5. Classification
Testudines
Turtles
Shell fused to backbone
Defensive

6. Classification Rhyncocephalia Tuataras Wedge-shaped head Ancient
No teeth sockets

7. Classification Squamata Lizards and snakes Skin with horny scales
98% of group
Skin with horny scales
Shed

8. WRAP UP
List 4 organisms in Order Squamata, 3 organisms in Order Testudines, 2 organisms in Order Crocodylia, and 1 organism in Order Rhyncocephalia.