Extreme environment

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Across
  1. 2. To move around freely
  2. 4. To search widely for food
  3. 7. Far away from cities or people
  4. 8. Warm and wet in the air
  5. 9. A group of animals living together
  6. 12. Very hot and burning
Down
  1. 1. Not enough; limited
  2. 3. Height above sea level
  3. 5. Dry with very little rain
  4. 6. Cold in an extreme way
  5. 9. Unfriendly or dangerous
  6. 10. Difficult and unpleasant
  7. 11. Large in size or area