Chapter 20 Reptiles. Introduction Class Reptilia Order Testudines or Chelonia -----Turtles Order Rhynchocephalia------------Tuataras Order Squamata------------------snakes,
Chapter 20 Reptiles
Sharks, skates, rays shark rayskate shark. 460+ species Streamlined body Cartilaginous skeleton Oil in Liver Must swim continuously Sharks.
Amphibians, Reptiles & Birds. Amphibia (frogs, salamanders, newts) The First vertebrates to colonize land Evolved from the Lobe-Finned Fish Have lungs.
