WARM UP List 5 characteristics of amphibians and/or vertebrates.
Reptiles Notes Phylum Chordata
General Characteristics Skin with scales or spines Made of keratin Paired limbs Usually five toes with claws 3+ chambered heart Lungs No gills Eggs with shells and membranes Ectothermic
Classification Crocodylia Crocodiles and alligators Ancient Long jaw Near water Long jaw Teeth in sockets
Classification Testudines Turtles Shell fused to backbone Defensive
Classification Rhyncocephalia Tuataras Wedge-shaped head Ancient No teeth sockets
Classification Squamata Lizards and snakes Skin with horny scales 98% of group Skin with horny scales Shed
WRAP UP List 4 organisms in Order Squamata, 3 organisms in Order Testudines, 2 organisms in Order Crocodylia, and 1 organism in Order Rhyncocephalia.