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Reptiles, as commonly defined, are a group of tetrapods with an ectothermic ('cold-blooded') metabolism and amniotic development. Living reptiles comprise four orders: Testudines ( turtles ), Crocodilia ( crocodilians ), Squamata ( lizards and snakes ), and Rhynchocephalia (the tuatara ).
May 9, 2024 · A reptile is any member of the class Reptilia, the group of air-breathing vertebrates that have internal fertilization, amniotic development, and epidermal scales covering part or all of their body. The major groups of living reptiles are turtles, tuatara, lizards, snakes, and crocodiles.
Reptiles are air-breathing vertebrates covered in special skin made up of scales, bony plates, or a combination of both. They include crocodiles, snakes, lizards, turtles, and tor- toises. All ...
reptile, Any of the approximately 8,700 species of the class Reptilia, the group of air-breathing vertebrates that have internal fertilization and a scaly body and are cold-blooded. Most species have short legs (or none) and long tails, and most lay eggs.
Apr 13, 2018 · In this incredible guide you'll find out what a reptile is, how reptiles evolved, and the different types of reptile alive today. On the way you’ll meet amazing reptiles both extinct and living. Download your free printable question sheet and test your reptile knowledge!
Action and Adventure. Beaver badminton. Reptiles are cold-blooded vertebrates. (Vertebrates have backbones.) They have dry skin covered with scales or bony plates and usually lay soft-shelled...
Mar 2, 2024 · Definition. Reptiles are cold-blooded, scaly vertebrates that belong to the class Reptilia. They are distinguished from other vertebrates by specific physical and physiological traits. While mammals and birds are warm-blooded, reptiles rely on external sources to regulate their body temperature.
Reptiles are a class of vertebrates made up mostly of snakes, turtles, lizards, and crocodilians. These animals are most easily recognized by their dry, scaly skin. Almost all reptiles are cold-blooded, and most lay eggs—though some, like the boa constrictor, give birth to live young.
Reptiles are a group of vertebrates that includes crocodilians, lizards, snakes, and turtles. Here you'll find resources on the characteristics, classification, and evolution of our cold-blooded friends. Amphibians. Birds. Habitat Profiles. Mammals. Reptiles. Insects. Marine Life. Forestry. Dinosaurs. Evolution. Chuckwalla Facts. Fox Snake Facts.
Turtles, tuatara, lizards and snakes, and crocodiles make up the major groups of living reptiles today, and they collectively account for over 8,700 species. Plesiosaurs, pliosaurs, ichthyosaurs, and dinosaurs...
