Reptile - Wikipedia
WebReptiles, 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 ).
Reptile Pictures & Facts - National Geographic
WebReptiles 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 | Definition, Characteristics, Examples, & Facts
WebMay 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: Different Types, Definition, Photos, and More
WebMay 17, 2022 · What are reptiles? The reptiles are a class of cold-blooded animals characterized by rough skin and egg-laying. It is only one of three vertebrate classes, along with mammals and birds, that have an amnion, or an inner sac, during the embryonic stage of development.
Reptiles - National Geographic Kids
WebReptiles are cold-blooded vertebrates. (Vertebrates have backbones.) They have dry skin covered with scales or bony plates and usually lay soft-shelled eggs. American Alligator. American Alligator. American Alligator. Learn More. Anaconda. Anaconda. Anaconda. Learn More. Boa Constrictor. Boa Constrictor. Boa Constrictor.
Reptiles - Definition, Examples, Characteristics - Science Notes …
WebMar 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.
Snake | Description, Facts, & Types | Britannica
WebMay 8, 2024 · snake, (suborder Serpentes), any of more than 3,400 species of reptiles distinguished by their limbless condition and greatly elongated body and tail. Classified with lizards in the order Squamata, snakes represent a lizard that, over the course of evolution , has undergone structural reduction, simplification, and loss as …
Reptiles - National Geographic Society
WebOct 19, 2023 · Media Credits. The audio, illustrations, photos, and videos are credited beneath the media asset, except for promotional images, which generally link to another page that contains the media credit.
Characteristics and features of reptiles | Britannica
Webreptile, 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.
15.7: Introduction to Reptiles - Biology LibreTexts
WebFeb 28, 2021 · What you’ll learn to do: Identify characteristics of reptiles. Reptiles are tetrapod animals in the class Reptilia. This class includes today’s turtles, crocodilians, snakes, amphisbaenians, lizards, tuatara, and their extinct relatives.
Skip to content