There are currently no living dinosaurs in the world, as they became extinct in the late Cretaceous period, about 65 million years ago. Nevertheless, we can learn a lot about them through the study of fossils and remains, including their ecological habits, appearance characteristics, behavior patterns, and so on. In addition, modern birds are believed to be descendants of dinosaurs, so we can regard them as inheriting the genetic genes of dinosaurs to some extent.
Dinosaur is a general term for a class of organisms, not a specific animal. In prehistoric times, there were many different types of dinosaurs on Earth, with different body shapes, appearance characteristics, and habits. There are currently hundreds of dinosaur species that have been discovered and studied, and the remains and fossils of these dinosaurs are distributed all over the world. Therefore, there is no situation in the world where there is only one dinosaur left.
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