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Reptiles are tetrapod vertebrates, creatures that either have four limbs or, like snakes, are descended from four-limbed ancestors. Unlike amphibians, reptiles do not have an aquatic larval stage.
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.
Reptilia. These were the first class of organisms to adapt to life on land. They are believed to have evolved from the amphibians millions of years ago. There are about 10000 different species of reptiles on earth. They are cold-blooded animals belonging to the phylum Chordata of Animal kingdom.
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. Shared Characteristics with Other Vertebrates.
Jun 8, 2018 · Reptilia (reptiles; phylum Chordata, subphylum Vertebrata) A large and diverse class of poikilothermic vertebrates, which arose in the Carboniferous from labyrinthodont amphibians (Labyrinthodontia). They were the dominant animals of the Mesozoic world and gave rise to the birds and mammals.
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.
Reptiles are members of the class Reptilia; these species are cold-blooded creatures with scaly or thin bony plated skins. Snakes, lizards, and turtles are reptiles, but there is more to the class than a few species.
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...
Feb 24, 2004 · turtles, snakes, lizards, and relatives. Reptilia, presented as a Class in our classification, includes turtles ( Testudines ), snakes and lizards ( Lepidosauria ), crocodiles and their relatives ( Crocodilia ), and birds ( Aves ), as well as a number of extinct groups.
Jun 12, 2024 · Reptiles like lizards control pests in homes and gardens; snakes prey on rodents. Turtles, crocodiles, snakes, and lizards are regularly harvested in many tropical areas. Reptiles have contributed significantly to various biomedical and basic biological research programs.
