Crocodiles Pterosauria Tianyulong Thyreophora Kulindadromeus Psittacosaurus Ceratopsidae (ex. Brontosaurus) Allosauroidea Ornithopoda Sauropoda (ex. Allosaurus) Yutyrannus Tyrannosauridae Oviraptorosauria Integument Ornithischia Deinonychosauri Birds Scales = 0 Filaments = 1 Maniraptora Theropoda Saurischia Branched Filaments = 2 The tree above is a simplified version of the prevailing hypothesis of the relationships between various dinosaurs and dinosaur groups. The legend on the bottom left reflects three basic conditions that describe the character that pertains to body covering (or integument). The conditions that pertain to the specific taxa at the top of the tree are shown by the numbers. Dinosauria Trace the integument character along the tree (you may want draw it out on a separate sheet of paper). Once you have done that step, consider the ancestor of all dinsoaurs. What character condition did you get? (ex. Pterodactylus) (ex. Stegosaurus) (ex. Triceratops) (ex. Iguanodon) o (ex. Tyrannosaurus) (ex. Velociraptor)

Crocodiles Pterosauria Tianyulong Thyreophora Kulindadromeus Psittacosaurus Ceratopsidae (ex. Brontosaurus) Allosauroidea Ornithopoda Sauropoda (ex. Allosaurus) Yutyrannus Tyrannosauridae Oviraptorosauria Integument Ornithischia Deinonychosauri Birds Scales = 0 Filaments = 1 Maniraptora Theropoda Saurischia Branched Filaments = 2 The tree above is a simplified version of the prevailing hypothesis of the relationships between various dinosaurs and dinosaur groups. The legend on the bottom left reflects three basic conditions that describe the character that pertains to body covering (or integument). The conditions that pertain to the specific taxa at the top of the tree are shown by the numbers. Dinosauria Trace the integument character along the tree (you may want draw it out on a separate sheet of paper). Once you have done that step, consider the ancestor of all dinsoaurs. What character condition did you get? (ex. Pterodactylus) (ex. Stegosaurus) (ex. Triceratops) (ex. Iguanodon) o (ex. Tyrannosaurus) (ex. Velociraptor)

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter51: Animal Development

Section: Chapter Questions

Problem 15TYU

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