Quizlet

Flashcards: Social Studies Chpt. 25-29

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hotspota stationary area of volcanic activity
mid-ocean ridgean undersea mountain range, thousands of miles long
abyssal plainbegins at base of the continental slope, ocean floor
Continental Shelfgradually slopping shelf that extends from the shore
Continental Slopearea where the ocean floor plunges from the Continental shelf to the abbysal plain
EstuaryA saltwater bay that has a river emptying into it
Guyotflat-topped seamount, also called a tablemount
Islandthe top of an ocean mountain above the surface
Ocean Trenchthe deepest part of the ocean (drops several hundred miles from abyssal plain)
Seamountundersea volcanic peak, not part of a mountain range (forms a cone)
Coriolis Effecta force caused by the rotation of the earth
Prevailing Windsconsistently blow in one direction (westerly and trade)
Migrationthe movement of animals from one area to another
Pelagicopen ocean or waters beyond the continental shelf
decomposerorganisms that eat decayed animals or plants and break them down into new substance
baleenplates that hang from the upperlip of whale mouths and strain water
blooma sudden increase in population of plankton or animals
phytoplanktonplant plankton-microscopic
zooplanktonanimal plankton-bigger