| Flap 1 |
Flap 2 |
| biologist | a scientist who studies living things |
| bluff | a high, steep slope or cliff |
| lagoon | a pond or small lake, especially one connected with a larger body of water |
| massive | big and heavy; bulky |
| rumbling | making a deep, heavy, continuous sound |
| tropical | of or like the regions 23.45 degrees north and south of the equator, where the sun can shine directly overhead |
