Hallie
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Hallie

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Hallie Hallie Presentation Transcript

  • Dinosaurs Hallie
  • • Scientists do not know how long dinosaurs lived.
  • • We do know that some dinosaurs laid hard eggs.
  • • Some dinosaurs care for their young.
  • • The velociraptor was a meat-eating dinosaur.
  • • The dinosaurs were a group of prehistoric reptiles that ruled Earth for about 106 million years.
  • • The ancestors of the dinosaurs first appeared about 330 million years ago.
  • • The name dinosaur comes from the term Dinosauria which means terrible lizards.
  • • The biggest ones may have grown 130 feet [40 meters long] and weighed as much as 85 tons [77 metric tons].
  • • Dinosaurs disappeared about 65 million years ago.