Intro. to Reptile Notes 2016
- 1. Reptiles By Mr. “Reptile Lover” Chapman
- 2. Reptiles • Reptiles - living reptiles include turtles, lizards, snakes, tuatara, and crocodilians • All reptiles breathe through lungs, have scale covered skin, and are cold blooded.
- 3. Classification • Kingdom: Animalia • Phylum: Chordata • Class: Reptilia • Order: 5 orders of reptiles
- 4. Reptile Orders: • Order: Rhynchocephalia • Tuatara - 1 species • Native to New Zealand, an island country off the southeast coast of Australia.
- 6. 4 Orders of Reptiles • 1.Chelonia– turtles, tortoises
- 7. Turtles • 250 species (all continents except Antarctica) • Most primitive of all reptiles • Range in size 3 inches to 6 feet • All turtles lay eggs in nests they dig in the ground • No teeth, instead the edges of the jaws are hard and sharp.
- 8. Order: Squamata • This order includes: • Suborder: Lacertilia (Lizards) • Suborder: Serpentes (Snakes)
- 9. Squamata • 3. Suborder: Lacertilia – Lizards
- 10. Lizards • Lizards - ~ 3,500 species (all continents except Antarctica) • Most species live in tropics. • 3 inches to 10 feet. Largest species is Komodo Dragon • Two species are venomous, one is the Gila Monster (SW U.S.)
- 11. Sepentes • 2. Suborder: Serpentes – snakes
- 12. Snakes • Snakes - ~ 3,500 species (all continents except Antarctica) • Most species live in tropics. • 8 inches to 32 feet. Largest species is Reticulate Python and Anaconda. • Most primitive species still retain remnants of their hind limbs from lizard ancestors, advanced species have no limbs.
- 14. Crocodilia • 4. Order: Crocodilia – crocodiles, alligators
- 15. Crocodilians • Crocodilians - 21 species (No. and So. America, Africa, Asia, and Australia) • Most species live in tropics. • 5 feet to 25 feet. Largest species is Nile Crocodile • All are aquatic
- 16. Characteristics • All reptiles have a three chambered heart with a septum. • Greatly reduced metabolic rate so not much heat is produced within the body • Most reptiles found in tropical areas to bask in the sun