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15 Cards in this Set

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hydrothermal vents

an area were ocean water shrinks through cracks in the ocean floor, heated by the underlying magma, and rises through the cracks.

upwelling

an upward flow of cold water from the ocean depths.

nertic zone

the park of the ocean extends from the low tide line out to the edge of the continental shelf.

open ocean zone

the area of the ocean beyond the edge of the continental shelf

plankton

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

nekton

free swimming animals that can move throughout the water colum

benthos

organisms that live on the bottom of the ocean or other body of water

inertial zone

the area that stretches from the highest high tide line on land out to the point on the Continental shelf exposed by the lowest low tide

sonar

a system that uses sound waves to calculate the distance to an object

aquaculture

the farming of saltwater and freshwater organisms

estuary

a coastal inlet or bay were fresh water from rivers mix with salty ocean water

surface zone

extends as far as sunlight reaches below the surface the part in the ocean grows plants under water

deep ocean zone

begins with the sunlight no longer reaches the water.

surface currents

is a large stream of moving water at the surface that flows through the ocean

biosphere

the part of the earths crust waters and atmosphere that supports life.