• The process by which remains or traces of living things become fossils is called fossilization.
  • Most fossils are preserved in sedimentary rocks.
  • Fossils of soft organisms, from bacteria to jellyfish, are very rare.
  • The best fossils would probably be ones that you could get DNA from.
  • DNA holds the genes of an organisms.
  • The genes could tell scientists a lot about what the organisms was really like.
  • How does a bone from a dead organism harden to become a fossil?
  • What happens as the bone is buried?
  • What factors exposed the rock layers with the fossils in it?
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