Oceanography

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Across
  1. 4. The _____ produced by creatures at the bottom of the ocean can be very beautiful.
  2. 7. Some ocean animals in the bottom of the ocean have not _____over time to receive energy from sunlight.
  3. 8. Most _____, which get energy by combining minerals with oxygen, are bacteria and other single-celled forms of life.
  4. 9. With eleven systems of the human body, it’s easy to say a human being is a complex _____.
Down
  1. 1. Rather than performing _____, the creatures at the bottom of the ocean eat chemicals.
  2. 2. There may not be sunlight at this depth in the ocean; however, there are _____, which release chemicals into the ocean. [two words]
  3. 3. Many creatures on the bottom of the ocean are _____, but others are quite large.
  4. 5. Animals on the earth’s surface _____ air, water, and sunlight into energy.
  5. 6. Deep down below the ocean’s surface, there exists rich _____, with a multitude of different life forms.