| Across |
| 4. |
A group of jellyfish is called this |
| 5. |
The class Chondrichthyes has skeletons made of this |
| 6. |
Exoskeleton of many marine invertebrates is made of this |
| 8. |
Area of highly active volcanic activity situated around the Pacific |
| 11. |
Pirate bounty hunter turned pirate and later the first Englishman to sail around the world |
| 12. |
Rum is distilled from this |
| 13. |
One of the two women convicted of piracy during the golden age of piracy |
| 14. |
Name for the skull and crossbones flag |
| 16. |
Blackbeard's real name |
