*biologist- scientist who studies living things, including their origins, structures, activities and distribution.
* 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 or south of the equator where the sun can shine directly overhead
