Ocean Environment

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Across
  1. 1. The movement of the sea surface caused by wind and other factors.
  2. 6. Referring to the ocean or sea and its life forms.
  3. 7. A submerged ridge of rock or coral that supports marine life.
  4. 9. Tiny organisms drifting in the water, which serve as food for many marine animals.
Down
  1. 2. A ring-shaped coral reef or island that encircles a lagoon.
  2. 3. A vessel designed for underwater travel and exploration.
  3. 4. A flow of water moving through the ocean, which can affect sea life and navigation.
  4. 5. A type of large, brown seaweed that forms underwater forests.
  5. 8. The small, granular particles found on the ocean floor and beaches.
  6. 10. The rise and fall of sea levels caused by the gravitational forces of the moon and the sun.