World Oceans Day

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Across
  1. 2. ________ shells are made up of over 50 bones fused together
  2. 6. 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.
  3. 9. ________ has the greatest amount of oceanic coastline, with more miles of coastline than all the rest of the United States Combined
  4. 10. Australian crocodile hunter Steve Irwin was famously killed by what type of animal?
  5. 13. ________ 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.
  6. 14. ___________________ are the largest animals on Earth, and have hearts the size of small cars! (Two words)
  7. 15. The ________ is home to 94% of all life on earth
  8. 17. 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)
  9. 18. The oceans largest living structure, The Great Barrier Reef, is located in ________
  10. 19. Special compounds extracted for the cell walls _________, known as alginates, are used widely in everyday products including beer, ice cream, adhesives, ceramics, paper, waterproof fabrics and antacids.
Down
  1. 1. __________ crate 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.
  2. 3. Every year, 8 million metric tons of __________ enter our ocean
  3. 4. A “smack” is the collective term for a large group ow what stinging, tentacle sea creatures?
  4. 5. ________ can be used to replace human bone.
  5. 7. ________ kills less than 20 people per year, but People kill 11,500 of them per hour.
  6. 8. Some scientist believe that the spiral tusk on which type of arctic whale helps attract mates?
  7. 11. This species of shark can live for over 400 years.
  8. 12. ________are the only animals on earth that aren’t birthed by the mothers, instead the males get pregnant.
  9. 16. Also known as a Killer Whale, the ________ is actually a member of the dolphin family.
  10. 17. The Ocean provides more than half the _________ we breathe