Introduction. to reptiles

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Introduction. to reptiles

  1. 1. ReptilesBy Mr. “Reptile Lover” Chapman
  2. 2. Classification• Kingdom: Animalia• Phylum: Chordata• Class: Reptilia• Order: 4 orders of reptiles
  3. 3. 4 Orders of Reptiles• 1.Testudines– turtles, tortoises, Terrapins
  4. 4. Sepentes• 2. Serpentes – snakes, pythons, boas
  5. 5. Squamata• 3. Squamata – Iguanas, lizards
  6. 6. • 4. Crocodilia – crocodiles, alligators, Gariels
  7. 7. Characteristics• Cold-blooded• Use lungs to breathe air• Boney skeleton• Scales cover the body• 3 body types – Long bodies with defined tails (crocs. and lizards) – Long bodies that taper into tails (snakes) – Short-thick bodies encased in shells (turtles)
  8. 8. Characteristics• Three chambered heart with a septum.• Greatly reduced metabolic rate so not much heat is produced within the body
  9. 9. Class: Reptilia• There are about 6,500 species of reptiles.• skin is covered with waterproof scales.• Scales attach below the epidermis.
  10. 10. Class: Reptilia• A heart with three chambers and a septum that partially divided ventricle.• This limits mixing of oxygenated and deoxygenated blood in the heart.
  11. 11. Class: Reptilia• Most lay eggs that are covered with a soft shell or give birth to live young.• All reptiles are cold blooded.

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