1. Chordates Animal with a spinal cord protected by a backbone

2. Amphibians Examples: frog, toad, salamander, newt

3. Amphibian Cold blooded (same temp as outside) Young breathe with gills/skin Adult breathes with lungs/skin Skin is thin, moist Circulatory system: closed (has veins and arteries)

4. Amphibian Lay eggs in the water Eggs are jelly mass of 100-1000’s of eggs Body development: metamorphosis from egg to tadpole to adult

5. Giant Cane Toad Has poison glands so other organisms cannot eat them Introduced to Australia in 1935 to eat Cane beetles (pest) Population exploded, because they kill all predators with poison. Can’t get rid of them now.

6. Reptiles Examples: snake, turtle, alligator, crocs, lizards

8. Reptiles Temp: cold blooded Young breathe with lungs Adult breathes with lungs Skin: dry, scaly

9. Reticulated python at American history museum (nyc)

11. Reptiles Closed circulatory system Lay eggs in mud, sand, nest Eggs: leathery, 30-50 Body development: no metamorphosis

12. Watching reptiles eat http://webh01.ua.ac.be/funmorph/movies.html

13. Fish Cold blooded Young breathe with gills Adults breathe with gills Skin: slimy, scaly (usually)

14. hagfish

15. Fish Closed circulatory system Lay (jelly) mass of eggs in water 100’s-1000’s Body development: no metamorphosis

17. Video clips http://www.arkive.org/species/GES/reptiles/Chelonia_mydas/Chelonia_ mydas_09c.html?movietype=wmMed green sea turtle laying eggshttp://www.arkive.org/species/GES/reptiles/Chelonia_mydas/Chelonia_ mydas_09c.html?movietype=wmMed http://www.expertvillage.com/interviews/poison-frogs.htm feeding poisonous dart frogshttp://www.expertvillage.com/interviews/poison-frogs.htm http://www.vivanatura.tv/Htorquata1.html snake eating a froghttp://www.vivanatura.tv/Htorquata1.html http://www.nationalgeographic.com/kids/creature_feature/0203/frogs.htmlhttp://www.nationalgeographic.com/kids/creature_feature/0203/frogs.html tree frog, not so great