| Term | Definition |
|
hotspot |
a stationary area of volcanic activity |
|
mid-ocean ridge |
an undersea mountain range, thousands of miles long |
|
abyssal plain |
begins at base of the continental slope, ocean floor |
|
Continental Shelf |
gradually slopping shelf that extends from the shore |
|
Continental Slope |
area where the ocean floor plunges from the Continental shelf to the abbysal plain |
|
Estuary |
A saltwater bay that has a river emptying into it |
|
Guyot |
flat-topped seamount, also called a tablemount |
|
Island |
the top of an ocean mountain above the surface |
|
Ocean Trench |
the deepest part of the ocean (drops several hundred miles from abyssal plain) |
|
Seamount |
undersea volcanic peak, not part of a mountain range (forms a cone) |
|
Coriolis Effect |
a force caused by the rotation of the earth |
|
Prevailing Winds |
consistently blow in one direction (westerly and trade) |
|
Migration |
the movement of animals from one area to another |
|
Pelagic |
open ocean or waters beyond the continental shelf |
|
decomposer |
organisms that eat decayed animals or plants and break them down into new substance |
|
baleen |
plates that hang from the upperlip of whale mouths and strain water |
|
bloom |
a sudden increase in population of plankton or animals |
|
phytoplankton |
plant plankton-microscopic |
|
zooplankton |
animal plankton-bigger |