Extreme Life

12345678910111213
Across
  1. 5. To live through difficult conditions
  2. 6. A bird that swims but cannot fly
  3. 7. A very strong snowstorm
  4. 9. The usual weather pattern of a place
  5. 10. Large ocean animal, some live near ice
  6. 11. Related to the North or South Pole
  7. 13. Very low temperature
Down
  1. 1. At risk of disappearing forever
  2. 2. Ice crystals on cold surfaces
  3. 3. An animal that lives on ice and in water
  4. 4. Cold, treeless plain in the Arctic
  5. 7. White animal in the Arctic (polar bear)
  6. 8. Frozen water everywhere
  7. 10. Strong air movement in a storm
  8. 12. Soft white flakes from the sky