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A reptile is an air-breathing animal that has scales instead of hair or feathers. Reptiles have lived on Earth for more than 280 million years. Scientists consider them to be the ancestors of birds and mammals. Over the years many kinds of reptiles have become extinct, or died out.
2 mar 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 distinguished from other vertebrates by the fact that they have dry scales covering their bodies. Reptiles are further distinguished from vertebrates lower on the evolutionary scale by their ability to perform internal fertilization, whereby the male places sperm inside the female.
What do American alligators use to build their nests? Pupils will learn about the different features and characteristics that reptiles can possess, and where to find them in our National Geographic Kids’ Science primary resource sheet.
Reptiles. Reptiles are cold-blooded vertebrates. (Vertebrates have backbones.) They have dry skin covered with scales or bony plates and usually lay soft-shelled eggs.
What are reptiles? Reptiles are a type of animal class that includes lizards, crocodiles, tortoises, turtles and snakes, among others. Reptiles have dry, scaly skin and most of them lay soft-shelled eggs on land. Reptiles have cold-blooded metabolisms, so they have to get heat energy from sunlight or warm water in order to survive.
3 lip 2020 · Reptiles are air-breathing vertebrates covered in special skin made up of scales, bony plates, or a combination of both. See the fact file below for more information on the reptiles or alternatively, you can download our 23-page Reptiles worksheet pack to utilise within the classroom or home environment.
