Reptiles SWBAT list the four groups of living reptiles; describe the body, special senses, and eating habits of snakes; describe the type of environment in which crocodiles and alligators are found

Reptiles How are reptiles different from amphibians? How are reptiles different from amphibians? They breathe only air, live only on land They breathe only air, live only on land Don’t go through metamorphosis Don’t go through metamorphosis

Reptile Characteristics What are the characteristics of reptiles? What are the characteristics of reptiles? Ectothermic Ectothermic Dry, scaly skin Dry, scaly skin Lay eggs with leathery shells Lay eggs with leathery shells 3 chambered hearts 3 chambered hearts

Reptile Groups Order – Squamata Order – Squamata Snakes and lizards Snakes and lizards Molt – shed skin Molt – shed skin Meat eaters Meat eaters Can be poisonous Can be poisonous

Reptile Groups Order – Crocodilia Order – Crocodilia Crocodiles and Alligators Crocodiles and Alligators Found in shallow waters Found in shallow waters Generally found in tropical or subtropical climates Generally found in tropical or subtropical climates Raised eyes and nostrils Raised eyes and nostrils Alligators – rounded snout Alligators – rounded snout Crocodiles – narrow pointed snout Crocodiles – narrow pointed snout

Reptile Groups Order – Testudinata Order – Testudinata Turtles Turtles Can live in water or on land Can live in water or on land Have 2 hard bony shells cover bodies Have 2 hard bony shells cover bodies

Reptile Groups Order – Phynchocephalia Order – Phynchocephalia Tuataras Tuataras Found in New Zealand Found in New Zealand Resembles 2 foot lizard, but has its own classification due to its skull and teeth Resembles 2 foot lizard, but has its own classification due to its skull and teeth