12: Vertebrates Last updated Save as PDF Page ID310 Contributed by CK12CK12 12.10: Amphibian Structure and Function12.11: Amphibian Reproduction12.12: Amphibian Classification12.13: Amphibian Evolution and Ecology12.14: Reptile Structure and Function12.15: Reptile Reproduction12.16: Reptile Classification12.17: Reptile Evolution12.18: Reptile Ecology12.19: Bird Structure and Function12.1: Chordates12.20: Bird Reproduction12.21: Bird Classification12.22: Bird Evolution12.23: Bird Ecology12.24: Mammal Overview12.25: Mammal Structure and Function12.26: Endothermy12.27: Locomotion12.28: Placental Mammals12.29: Marsupials12.2: Vertebrate Diversity12.30: Monotremes12.31: Mammal Ancestors12.32: Mammal Evolution12.33: Mammal Classification12.3: Vertebrate Reproduction12.4: Vertebrate Classification12.5: Vertebrate Evolution12.6: Fish12.7: Fish Reproduction12.8: Fish Classification12.9: Fish Evolution and Ecology