The document presents an overview of reptiles, categorizing them into four main orders: Crocodilia (crocodiles, alligators), Testudines (turtles, tortoises), Squamata (lizards, snakes), and Sphenodontia (tuataras). Each order is briefly described, highlighting characteristics such as habitat, physical features, and reproductive methods. Links to images and additional resources for various reptile species are also included.

1. Reptiles PPT. by, Robin D. Seamon

2. Vertebrate Cold-blooded Skin covered in scales DRY!!! Mostly egg-layers (leathery), but some live-bearers Some have regeneration of tails

3. Order Crocodilia : crocodiles, alligators, caimans Crocodile Alligator Thin snout Light tan All over the world Broad snout Grayish-black SE United States & China LINK

4. Caiman http://www.wildernessclassroom.com/www/schoolhouse/rainforest_library/animal_images/caiman.jpg

5. 2. Order Testudines : turtles, tortoises, terrapin Mostly in water Webbed feet winter: burrow in mud/ torpor Turtle Mostly on land Short, stumpy feet Hot/dry climate Too hot: burrow Tortoise Land & water Lives near water: Rivers, swamps, brackish water Terrapin http://relaxmx.com/yahoo_site_admin/assets/images/everything_else_184.90144551_std.jpg http://animals.nationalgeographic.com/animals/reptiles/galapagos-tortoise.html http://www.bumblebeeblog.com/storage/Eastern%20box%20turtle.jpg

6. 3. Order Squamata : lizards, snakes http://animal-world.com/encyclo/reptiles/lizards_iguanid/GreenAnole.php http://farm4.static.flickr.com/3511/3183498407_de35e9f547.jpg http://static.gotpetsonline.com/pictures-gallery/reptile-pictures-breeders-babies/american-water-dragon-pictures-breeders-babies/pictures/american-water-dragon-0001.jpg

7. http://www.drahosweb.net/bhsbusiness/mm1/kollasch/HNS/Assets/chameleon.jpg http://animals.nationalgeographic.com/animals/reptiles/frilled-lizard/ http://www.the-lizard-lounge.com/content/gallery/lizard-pictures/bearded-dragon-pictures-1.asp

8. Non-venomous Snakes Round eyes Flat heads No brows Venomous Snakes Slanted pupils Heart/arrow-shaped heads Raised brows “ Red on yellow, kill a fellow; Red on black, friend of Jack”

10. Black snake E. Milk snake Worm snake Corn snake Garter snake E. King snake

11. Copperhead Eastern diamond backed rattlesnake Water Moccasin/ Cottonmouth Coral Snake Scarlet King Snake X X X X

12. 4. Order Sphenodontia : tuataras Link Third parietal eye (light sensitive on top of head) Only in New Zealand One row of teeth on bottom, fit into two rows on top Very ancient http://www.ryanphotographic.com/tuatara.htm