Fossils

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Across
  1. 2. Fossils that form in sedimentary rock
  2. 4. a fossil copy of the original organism or trace
  3. 7. the rock layer closest to the surface is the
  4. 8. geologic time scale tracks earths -------------- year history
  5. 9. a fossil of an organism footprint, burrows, or other features
  6. 10. fossils remains preserved in amber,tar pits,or, ice
  7. 12. remains or impression of prehistoric organisms
Down
  1. 1. Organsims that are buried quickly after death
  2. 3. preserving fossils to last a long time
  3. 5. age the absolute age of a prehistoric rock
  4. 6. knowing hold on something is by counting rings
  5. 11. an impression left by an organism's body or trace