Water World

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Across
  1. 5. clams oysters and scallops are all
  2. 7. Vast body of salt water
  3. 8. A fat layer that keeps the marine mammals warm
  4. 9. Name for a group of whales
Down
  1. 1. What a shark has instead of bones
  2. 2. Microscopic marine plants that help generation of oxygen in the ocean
  3. 3. Fish use these to breathe oxygen from the water
  4. 4. how a whale or dolphin breathes
  5. 6. small creatures that look like shrimp