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____________ are animals that evolved into many sizes and ____________ Dinosaurs were and are quite diverse, and often one person ____________ think of an animal like a long-necked sauropod, while another person will think ____________ a large, fierce meat-eater like Tyrannosaurus rex. It should be clear then that the term "dinosaurs", or the ____________ version ____________ is ____________ a diverse group of animals with widely different ____________ of living. The term was invented ____________ Sir Richard Owen in 1842 to describe ____________ "fearfully great ____________ specifically Megalosaurus, Iguanodon, and Hylaeosaurus, the only three dinosaurs known at the ____________ The creatures that we normally think of as dinosaurs ____________ from late in the Triassic period (about 225 ____________ years ago) until the end of the Mesozoic era (about 65 million years ago); ____________ actually they live on today as the birds.
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