1. VOCAB

3. CHELONIA TURTLES & TORTOISES Only reptile WITH shell Only reptile WITHOUT TEETH http://www.perlgurl.org/archives/2006/05/hawaiian_honu_the_green_sea_turtle.html http://www.carcosa.net/jason/blog_images/2005/07/04/african-spurred-tortoise.jpg TURTLES: Live in or near water TORTOISES: Stay on land

4. SQUAMATA LIZARDS SNAKES http://thecontaminated.com/wp-content/uploads/2008/02/snake-and-kangaroo-1.jpg http://www.crocodilehunter.com/our-animals/amazing-animals/images/profile_157_250.jpg

5. JACOBSON’s ORGAN An extrasensory organ in the roof of a snake's mouth Sharpens its sense of smell. Two hollow, highly sensitive saclike structures Allows it to track both prey and potential mates http://www.kwic.com/~pagodavista/schoolhouse/species/herps/snktonge.htm

6. Pit vipers, pythons, and some boas have HEAT SENSING ORGANS “Pit" organ located between the eye and the nostril on each side of the head. Detects heat given off by warm-blooded prey http://www.kwic.com/~pagodavista/schoolhouse/species/herps/snktonge.htm

7. Constrictors Wrap around prey and kill by suffocation Ex: Boa constrictors http://www.eastrock.org/brazil/images/bra19.jpg http://www.thematzats.com/snakes/images/squeeze.gif

8. VIPERS Inject venom with large movable fangs Ex: rattlesnakes, copperheads, water moccasins Images from: http://www.worsleyschool.net/science/files/rattle/snakes.html

9. ELAPIDS Inject venom with small fixed (non-movable) fangs Ex: cobras, kraits, coral snakes http://www.kidsturncentral.com/animals/cobra.htm

10. AUTOTOMY seen in some lizards Self amputation to escape predators Can’t regrow Costly; lose muscle/stored fat http://www.californiaherps.com/lizards/images/ecprincipis1dn.jpg

11. CROCODILIA Crocodiles & Alligators Crocodile Long V-shaped snout Teeth exposed when jaw shut Brackish/ocean water Alligator Rounder U-shaped snout Teeth hidden when jaw shut Fresh water Images from: http://www.animaldanger.com/australia.php

12. RHYNCHOCEPHALIA “spiny crested” lizard relatives Once common now only two species of tuatara on islands near New Zealand Parietal “3 rd eye” Images from: http://en.wikipedia.org/wiki/Tuatara http://reptilis.net/rhynchocephalia/overview.html