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Across
  1. 4. ability of living things to give rise to their own kind
  2. 9. living things which cannot move
  3. 10. flying organ in birds
  4. 12. a non-living thing which can fly
  5. 13. an animal which moves using its whole body
  6. 14. tiny pores which help plants in breathing
Down
  1. 1. breathing holes in grasshopper
  2. 2. an example natural thing
  3. 3. animals living in water
  4. 5. a man-made thing
  5. 6. an animal that lays eggs
  6. 7. young one of a cat
  7. 8. a plant needs this to grow
  8. 11. breathing organ in fish