Fossils/Fish in the Desert/Plants in the Antarctic Pages 140-147

123456789
Across
  1. 4. Some fossils are formed in layers of mud that harden into _____.
  2. 5. An _____ animal is no longer living anywhere on earth.
  3. 6. Some _____ fossils have actually been found in layers of rock.
  4. 8. _____ learn about ancient seas by studying fossils.
  5. 9. Most fossils are the _____ parts of animal like bones, shells, and teeth.
Down
  1. 1. Sometimes plant _____ can be preserved in fossils.
  2. 2. Some fossils are just _____ or wormholes.
  3. 3. Fossils provide _____ of plants and animals that lived long ago.
  4. 6. _____ are traces of organisms that lived long ago.
  5. 7. Some fossils show that _____ was once warm enough for plants to grow.