| Across: |
| 2 |
Population |
| 3 |
A natural group of animals with hard shells. |
| 5 |
Relating to the bottom of the sea |
| 7 |
Movement of animals from place to place |
|
| Down: |
| 1 |
A way of hearing sounds from far away |
| 4 |
Situated at or near the head |
| 5 |
When a dolphin leaps completely out of water |
| 6 |
Group of cetaceans |
|