PPT-Pterosaurs By, Yu,Y Pterosaurs was a member of an extinct group of flying reptiles.

Pterosaurs lived in the Mesozoic Era from about 251 million to 65 million years ago Their fossils have been found on every continent Quick facts about Pterosaurs Environment When Pterosaurs was alive. 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. Lecture 1.3: . Flying Principle of a . Quadrotor. Jürgen . Sturm. Technische. . Universität. . München. Quadrotor. : Flying Principle. What do we need to do to keep the position?. Jürgen Sturm. Jessica Brown. Miila. Hall. Cold-blooded. Tetrapods. , four appendages. Considered as the first animals on land with the ability to live and multiply on land (amniotic egg). Amniotic egg- . a shelled, water-like sac that enables reptiles to complete their life cycles on dry 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. . 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. Payden. Trujillo. 1. st. Period. Echolocation. Background Info.- Where they live. Flying squirrels are usually found in North America, where there are tall trees. . The Siberian Flying Squirrel ranges from the Baltic Sea in the west to the Pacific Ocean in the east. Ectothermic. What type of circulatory system do reptiles have. Closed. Most reptiles . are. Carnivores. Herbivores. Isomores. omnivore. A. . Carni. v. ores. Tuatara numbers are decreasing as a result of its habitat being destroyed . 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. 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 . 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. 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.. 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 . Dr. . Shilly. Elizabeth David. Reptiles means . Creeping. Study . of reptiles . . Herpetology. • . Cold- blooded(poikilothermic. ). • . Exoskeleton of . epidermal . scales. , . scutes. . or bony .