biology crossword

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Across
  1. 1. Part of the Earth in which life exists
  2. 3. the special
  3. 5. any cell or organism that possesses a
  4. 9. a comparison between two things
  5. 10. LIVING THINGs
  6. 11. WATER AIR SUNLIGHT
  7. 12. to shorten or contract
  8. 14. Unicellular organisms such as bacteria
  9. 16. unicellular organisms
Down
  1. 2. body tissue that forms the covering on all
  2. 4. chemical process food
  3. 6. and external surfaces
  4. 7. defined nucleus
  5. 8. MANGROVES FISHES
  6. 13. Tissue that supports, protects
  7. 15. the smallest level