Nature

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Across
  1. 4. creatures that consume eucalyptus (5)
  2. 7. a slightly raised flat terrain (7)
  3. 8. domestic × ____ (4)
  4. 10. arid area with very little vegetation (6)
  5. 11. warm blooded vertebrate animals (7)
Down
  1. 1. a vast expansion of salty seawater (5)
  2. 2. low land in between hills/mountains (6)
  3. 3. an open area of land (5)
  4. 5. a thing cats are scared of (8)
  5. 6. flying creatures (5)
  6. 9. water body surrounded by land (4)