Sunday, October 7, 2007

Dinosaur Facts October 8

Dinosaurs
  • Dinosaur means "Terrible Lizard"
  • all dinosaurs were reptiles
  • Some dinosaurs walked on two feet, some on four; one type even flew (the pterodactyl)
  • some were plant-eaters; some were meat-eaters (herbivores, carnivores, omnivores)
  • We still don't know exactly why they disappeared. Many scientists believe a asteroroid caused the extinction.
  • scientists that study fossils are called paleontologists.

Pterodactyls

  • Pterodactyls were the only flying dinosaurs. They did not have feathers, but rather norny scales. The wings were thin membranes, similar to the wings of a bat. The wing span of the Pterodactyl measured more than 20 feet.

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