Great Barrier Reef

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Across
  1. 4. Total number of types of molluscs in the GBR (4 digits):
  2. 5. Total number of species of fish in the Great Barrier Reef (4 digits)
  3. 8. Largest collection of coral reefs in the world
  4. 9. The world's largest green turtle breeding site (5 letters, 6 letters):
  5. 11. How many bird species are in the GBR
Down
  1. 1. Number of islands in the GBR (3 digits)
  2. 2. Number of individual reefs in the GBR (4 digits)
  3. 3. Reefs Marine environment characterized by 400 coral species in 60 genera (5 letters)
  4. 6. Species of 'sea cow' found in the Great Barrier Reef (6 letters)
  5. 7. Large green marine animal threatened with extinction (6 letters)
  6. 10. Total number of types of coral found in the GBR (3 digits)