Dinosaurs appeared in the late Triassic period, about 240 million years ago, and existed until the end of the Cretaceous period, about 65 million years ago. Therefore, dinosaurs lived and reproduced from about 240 million years ago to 65 million years ago. During this long period of time, many types of dinosaurs thrived, adapted to different environments, and developed a variety of body shapes and habits, becoming one of the most successful animals on Earth at the time.
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How many billions of years ago did dinosaurs live?
Quick Answer
恐龙是在距今约2.4亿年前的三叠纪晚期出现的，一直存在到距今约6,500万年前的白垩纪末期。因此，恐龙大约在2.4亿年前至6500万年前这段时间内生活和繁衍。在这个漫长的时间里，许多种类的恐龙繁衍生息、适应不同的环境，并发展出了各种各样的体型和习性，成为了当时地球上最为成功的动物之一。
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