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Live Science on MSNDinosaurs: Facts about the reptiles that roamed Earth more than 66 million years agoDinosaurs are the extinct relatives of birds that roamed the lands and seas of ancient Earth. They first appeared around 240 ...
3 min read Continents were on the move in the Cretaceous, busy remodeling the shape and tone of life on Earth. At the start of the period, dinosaurs ruled the loosening remnants of the ...
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