Coral Reefs

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Across
  1. 1. Name of coral animal
  2. 4. Composition of coral skeletons
  3. 5. Type of relationship between algae and corals
  4. 7. Phenomenon in which corals lose their pigmentation
  5. 8. Type of reef formations
Down
  1. 1. Way in which algae obtains nutrients
  2. 2. Ocean with the most coral formations
  3. 3. Algae
  4. 6. Resource produced by corals