Fossils and Plate Tectonics

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Across
  1. 4. Traces or remains of past plant and animal life.
  2. 5. A climate that is harsh, but not as cold as an Arctic climate
Down
  1. 1. A fern that grew in subarctic climates.
  2. 2. A small reptile that lived in fresh water.
  3. 3. A land reptile about 3 feet in length that lived during the Triassic Period.