Cities in the Sea

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Across
  1. 2. What do reef creatures help create? (Para 5)
  2. 3. How many known marine species live in reef habitat? (Para 3)
  3. 5. Which industry benefit from the coral reefs? (Para 4)
  4. 7. Who are the biggest builders on the planet? (Para 1)
  5. 9. What is the colour of the coral when they are 'bleached'. (Para 8)
  6. 14. Who does the word 'We" in line35 refers to? (Para 9)
  7. 15. What remains when the coral polyps die? (Para 1)
  8. 16. In marine protected areas, fishing is __. (Para 9)
  9. 17. Describe the cities that coral reefs build. (Para 9)
  10. 19. Who says that we can save coral reefs?(Para 9)
  11. 20. What causes coral bleaching? (Para 8)
Down
  1. 1. __ is made of calcium from seawater. (Para 1)
  2. 4. Describe the place where coral polyps live. (Para 1)
  3. 6. What do polyps lose during warming? (Para8)
  4. 8. People catch too many reef fish and often __ the reefs. (Para 5)
  5. 10. Reefs protects coasts and beaches from __. (Para 4)
  6. 11. What do reefs slow down? (Para 5)
  7. 12. Do we need to take care of coral reefs? (Para 6)
  8. 13. What percentage of reefs are dead? (Para 5)
  9. 18. Where can you find the largest coral reefs? (Para 2)