Land Before Time

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Across
  1. 1. A group of living species.
  2. 3. A scientist that studies human history by digging the human remains.
  3. 5. remains of plants and animals.
  4. 7. a type of rock made by Earth's surface.
Down
  1. 2. scientist that studies the history of Earth's surface.
  2. 4. A species that adapts over time due to their changing environment..
  3. 6. fossil footprints of an aniamal and prints of plants.