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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 ...
See text for extinct groups. 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 ).
Jun 12, 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.
Sep 13, 2021 · Reptiles are animals in the class Reptilia. Unlike most amphibians, reptiles evolved the ability to complete their life cycle away from water, giving them an advantage that allowed them to thrive in a wider range of habitats. All reptiles are vertebrates that breathe air with lungs.
May 17, 2022 · 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.
Mar 2, 2024 · Reptiles are a diverse group of vertebrates that have played a pivotal role in the ecological and evolutionary history of life on Earth. In this comprehensive article, we will explore the defining characteristics of reptiles, their evolutionary history, and the various orders within the class Reptilia.
Reptiles are cold-blooded vertebrates. (Vertebrates have backbones.) They have dry skin covered with scales or bony plates and usually lay soft-shelled eggs.
