PPT-Reptiles

History Started to appear on land about 35 million years after Amphibians Some of the Amphibian species began to change for a life better suited on land Thicker skin strong legs eggs with shells. Ron Chakrabarty. Mark . Juhn. Daniel Montgomery. Andrew Tung. Amphibians. Family . Amphibia. Amphibians – General/Unique Characteristics. Moist, glandular skin with no scales. Feet lack claws and are often webbed. 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.. Maya, Courtney, and Jae-. L. ynn. Characteristics. Reptiles are cold-blooded, vertebrates with scales covering their skin. . They are considered as tetrapod's (with four legs or leg-like appendages) even though legs are absent in some animals, like snakes. . 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. 2. Amniotic eggs have . membranes that protect the embryo from . desiccation, cushion the embryo, help with gas exchange, and store waste material.. 3. The amniotic eggs of reptiles and birds also have leathery or hard shells that protect the developing embryo, and a yolk that supplies food to them.. 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.. Justify the statement that “the amniotic egg provided solutions that made development apart from external watery environments possible.”. Compare amniote taxonomy before and after the application of cladistic methods.. 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 . 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 . 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 . 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.. Chapter 26 Reptiles and Birds Reptiles Skin is smooth and dry, covered in scales Helps prevent the evaporation of water from its body. First vertebrates with adaptations that enabled them to survive on land only.