Coral Reefs

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Across
  1. 2. One of the largest reef systems in the world - located in eastern Australia
  2. 4. Coral reefs are effective builders and create an _______________________ for other marine species
  3. 5. This fish species has a beneficial (helpful) relationship with anemones. They are not harmed by the poison form the tentacles
  4. 8. When there is a mutually beneficial (helpful) relationship between two organisms
  5. 10. Large area of coral reef located between the Indian Ocean and the Pacific Ocean
  6. 12. Animals without a backbone or bony skeleton. Corals are examples of these animals
  7. 14. The living organism that creates corals. They are composed (made of) a mouth and tiny tentacles
  8. 15. These incredibly small marine organisms make up most of coral reef diet
Down
  1. 1. When corals grow, they produce a _______ shell made of limestone
  2. 3. The process of a coral reef dying. This occurs when the coral releases algae
  3. 6. Some corals use energy from the ______ to complete photosynthesis
  4. 7. If you want to see a coral reef, you may want to pursue this activity
  5. 9. A close relative of corals. These organisms use stinging tentacles to attack their prey.
  6. 11. A lagoon is a shallow body of water that may have an opening to a larger body of water, but is also protected from it by a sandbar or coral reef
  7. 13. An island that is formed from coral reefs