PPT-REPTILES

REPTILES Testudines 341 species Turtles Testudines Joyce et al 2004 Pleurodira Cryptodira Testudines Turtle synapomorphies Limb girdles internal to rib cage Lack teeth Lossfusion of skull bones. Their thigh bones are almost parallel to the ground They walk and run with a sidetoside motion Dinosaurs on the other hand stand with their legs positioned directly under their bodies A hole in the hip socket permits this upright stance This posture Introductory Video. Objective: Students will identify vertebrates and classify some as birds and fish.. Lesson 2.1 God's Design of Vertebrates. Unique. One of a kind. Verterbrate: An animal with a backbone. What is a Reptile?. Reptiles have a well-developed skull, a backbone and tail, four limbs.. Snakes will be limbless and turtles have hard shells that are fused with their vertebrae.. All reptiles have dry, scaly skin, lungs, and eggs on land.. Amphibian diversity. Anura. (. frogs, ~4000 sp.); . Caudata. (salamanders, ~450 sp.); . Gymnophiona. (caecilians, ~175 sp.). Skin. permeable. respiration. mucous glands. poison glands. biphasic . lifestyle. Javier G. Nevarez DVM, PhD. jnevarez@vetmed.lsu.edu. 225-578-9657. It’s all about metabolism!. Immediate Needs. Housing. Food. Housing. Well ventilated. Easy to clean and disinfect. Escape . resistant. Vocabulary. Scaly. : . covered in scales.. Extinct. : . (of a species, family, or other larger group) having no living members.. Flee. : . Run away from a place or situation of danger.. Elongated. : . What do reptiles look like?. . Reptiles. . What makes reptiles different? . Bill Nye Reptile . Video. Home . Rattle Snake Sound Effect. *FUN FACT*. One way to tell a frog and a toad apart: frogs have smooth, clammy skin, while toads have more dry, bumpy skin. Both frogs and toads lay their eggs in water, but toads spend more of their time on land than do frogs. . Phylum: . Chordata. . Subphylum:Vertebrata. Order. Testudines. Rhynchocephailia. Squamata. Crocodilia. Common . example. Turtles and tortoises. Tuataras-found only in New Zealand. Lizards, snakes, and worm lizards. BY ZOLLIE. Flying reptiles are called pterosaurs.. There were at least 130 species.. Quetzalcoatlus. and Pterodactyls are flying. . reptiles.. Queatzalcoatlus. were the largest flying reptiles. Its head was the size of a car.. Chapter 34. “Never grow . a wishbone . where your backbone ought to be” . -Clementine . Paddleford. Origin of . Tetrapods. First . tetrapods. diverged 365 million years ago . (________). ________________________and shallow inland lakes with muddy bottoms likely selected for early . History of Reptiles. Reptiles arose from amphibians. Earliest fossils 359 . m.y.a. Small, four – legged vertebrates w/small teeth. Pangaea. Drier climate. Mass extinction during Paleozoic era. Diversified to fill niches left by extinct species. Shore Birds:. Also known as Waders. Feed on abundance of marine life in the intertidal zone. Size varies from as small as a sparrow to larger than a chicken. Group includes oyster catchers, tattlers, curlews, godwits, turnstones, sandpipers, jacanas, surfbird, phalaropes and inland species such as woodcocks. Reptiles have a well-developed skull, a backbone and tail, four limbs.. Snakes will be limbless and turtles have hard shells that are fused with their vertebrae.. All reptiles have dry, scaly skin, lungs, and eggs on land.. Fully adapted for life on land. All Amniotes – produce Amniotic Eggs. Dry, Scaly Skin. Ectothermic . More Efficient Circulatory and Respiratory Systems. Cloaca . Except for snakes, Reptiles have Paired limbs, most ending in 5 clawed toes .