Reptiles The First True Terrestrial Tetrapods. # of Species of Reptiles Species Numbers by Higher Taxa: Amphisbaenia (amphisbaenians) 165 Sauria (lizards)
Vocabulary Review Ch 41 - Reptiles. One of a varied group of mostly extinct reptiles that lived from about 235 million years ago to about 66 million years.
OVIPARY – eggs are released and develop outside body of female, fertilisation internal or external, egg yolk only nutrition. OVOVIVIPARY – Internal fertilisation,
Better Terrestrial living – origin of the amniotes Part 7.
CHORDATA By: Caroline Chandler, Meredith Wehrle, and Meredith Dickey.
Development and Growth. Where Do Embryos Develop? Growing offspring, or the embryo, may develop outside or inside of the parent’s body. The offspring.
Chapter 20 Reptiles. Introduction Class Reptilia Order Testudines or Chelonia -----Turtles Order Rhynchocephalia------------Tuataras Order Squamata------------------snakes,
Animals AP Review. List and describe the 3 groups of mollusks. Bivalves: hinged shells, clams, scallops Cephalopods: have tentacles, squid, octopus Gastropods:
Animal Kingdom. What are the charctersitics of an animal? Eukaryote Sexual reproducers Heterotrophs Locomotion Multicellular.
General Zoology Unit Six. The Amniotic Egg All five chordate hallmark characteristics Endoskeleton of bone Most are carnivores, but some are herbivores.
Chordates Notocord Dorsal hollow nerve cord Gills Postanal tail.
Reptiles. Adapted for Life On Land Ectothermic –All reptiles are ectotherms meaning “cold-blooded.” –THINK! – How do cold-blooded animals maintain their.