Your purchase includes a 69 Slides (in both .pptx and .pdf format).The Reptile PowerPoint Presentation includes the following topics and more:• Reptile vs. Amphibian • Amniotic Egg• History of Reptiles• Adaptations (Thermoregulation, Scaly skin, Respiration, Circulation, Excretion, Reproduction, etc.)• Skeleton and Skull Varieties (Anapsid, Diapsid, Synapsid) • Classification- 4 Orders of Reptiles• Turtles, Tortoises, Terrapins• Lizards and Snakes• Crocodiles, Alligators, Caimans, Gavials (Ghari