By: Blake Iddings & Maggie Bedillion

 There’s about 6500 known species of reptiles  Split into 3 different orders:  Turtles  Lizards and Snakes  Diversified throughout land and ecosystems -including driest deserts

 Amniotic Egg: made reptiles fully independent from water  Dry, Scaly Skin  Ectotherm – “cold- blooded”; can’t regulate its own body temp. but relys on environmental heat  Vertebrate

 Reptiles sexually reproduce by laying eggs  Some give birth to live young that hatch from the eggs inside the mother’s body  Most reptiles reproduce amniotic eggs, which are able to survive out of water  These eggs have complex membrane systems  Protective shells that are permeable to oxygen and other gases

 Complete digestive tract  Organs include:  Mouth  Pharynx  Esophagus  Stomach  Intestines  Liver  Pancreas  Anus  hic.com/Animals/CreatureF eature/American-alligator hic.com/Animals/CreatureF eature/American-alligator

 Water tight skin enriched with protein called keratin  Keratin prevents dehydration  Skull  Backbone  Hinged jaw

 Turtles  Lizards  Snakes  Crocodiles  alligators

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 algeographic.com/cha nnel/videos/player.h tml?title= algeographic.com/cha nnel/videos/player.h tml?title=6037  geographic.com/An imals/CreatureFeat ure/American- alligator geographic.com/An imals/CreatureFeat ure/American- alligator