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Have you ever wondered how the dinosaurs became extinct? People have formed many different theories about how it might have happened. My report explains some of the theories that paleontologists have considered. ... This states that some dinosaurs evolved into birds. The flying dinosaurs (Pterosaurs) have skeletal similarities to birds, like hollow, light bones and wish bones, which are necessary for flight. ...
Paleontologists think that the dinosaurs collar bones may have evolved into the bird’s wishbone. ...
One of the lesser-known theories is the disease theory. It says that the dinosaurs died because of disease. ... Some times new land bridges formed, and the dinosaurs could walk over them, carrying parasites, bugs and disease over like a living black plague.
Approximate Word count = 589 Approximate Pages = 2.4 (250 words per page double spaced)
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