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14 Cards in this Set

  • Front
  • Back

Hydrothermal Vents

an areawhere ocean water sinks through cracks in the ocean floor, is heated by theunderlying magma, and rises again through the cracks.

Upwelling

anupward flow of cold water from the ocean depths

Neritic Zone

thepart of the ocean that extends from the low-tide line out to the edge of thecontinental shelf.

Open OceanZone

the area ofthe ocean beyond the edge of the continental shelf

Plankton

tiny algaeand animals that float in water and are carried by waves and currents

Nekton

free-swimminganimals that can move throughout the water column

Benthos

organismsthat live on the bottom of the ocean or other body of water

InertialZone

thearea that stretches from the highest high-tide line on land out to the point onthe continental shelf exposed by the lowest low tide.

Sonar

asystem that uses sound waves to calculate the distance to an object

Aquaculture

the farmingof saltwater and freshwater organisms

SurfaceZone

extends asfar as sunlight reaches below the surface; it is the only part of the openocean that receives enough sunlight for the growth of algae.

Deep Ocean Zone

beginswhen the sunlight no longer reaches the water (at the end of the surface zone);it is dark and cold.

SurfaceCurrents

isa large a stream of moving water at the surface that flows through the ocean;are mainly driven by winds

Biosphere

the part ofthe earth's crust, waters, and atmosphere that supports life