World Oceans Day

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Across
  1. 2. Ocean ________ can be used to replace human bone.
  2. 6. ___________________ are the largest animals on Earth, and have hearts the size of small cars! (Two words)
  3. 8. Sea ________ shells are made up of over 50 bones fused together
  4. 11. We know more about the surfaces of the moon and mars than we do about our own ________________. Only 5% of this has been accurately mapped by scientists. (Two words)
  5. 13. Australian crocodile hunter Steve Irwin was famously killed by what type of animal?
  6. 14. ________ can be born square. Some suffer from an extremely rare birth defect and are actually square in shape! It can only happen to those with five points and the exact nature of the mutation is still unknown.
  7. 17. ________are the only animals on earth that aren’t birthed by the mothers, instead the males get pregnant.
  8. 18. Every year, 8 million metric tons of __________ waste enters our ocean
Down
  1. 1. The ________ is home to 94% of all life on earth
  2. 3. The oceans largest living structure, The Great Barrier Reef, is located in ________
  3. 4. Many fish are sequential hermaphrodites which are born as females and become male later on. ________ are all male except the largest one, which becomes a female.
  4. 5. A “smack” is the collective term for a large group of what stinging, tentacle sea creatures?
  5. 7. This species of shark can live for over 400 years.
  6. 9. Special compounds extracted from the cell walls of _________, known as alginates, are used widely in everyday products including beer, ice cream, adhesives, ceramics, paper, waterproof fabrics and antacids.
  7. 10. Which state has the greatest amount of oceanic coastline, with more miles of coastline than all the rest of the United States combined?
  8. 11. The Ocean provides more than half the _________ we breathe
  9. 12. __________ create one of the most intricate mandala nests found anywhere on Earth. Once they have attracted a mate, they will guard the eggs in the center of it.
  10. 13. ________ kill less than 20 people per year, but people kill 11,500 of them per hour.
  11. 15. Some scientists believe that the spiral tusk on which type of arctic whale helps attract mates?
  12. 16. Also known as a Killer Whale, the ________ is actually a member of the dolphin family.