The Great Barrier Reef

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Across
  1. 2. A system that environments and their organisms form through their interaction.
  2. 4. This ocean has the Great Barrier Reef in it.
  3. 5. Scientist are trying to save the Great Barrier Reef by doing what?
  4. 7. Affects the weather negatively.
  5. 8. A skeletal form that protects the animal on the outside.
  6. 9. Causes irreparable damage to the Great Barrier Reef.
Down
  1. 1. The world's largest reef system.
  2. 3. The use of sunlight to synthesize foods from carbon dioxide and water.
  3. 4. Contaminants that enter the environment that causes adverse change.
  4. 6. An undesired plant, animal, or diseases that spread prolifically.