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16 Cards in this Set

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Hydro-thermal vents

an area where the ocean water sinks through cracks on the ocean floor, is heated by the underlying magma, and rises again through the cracks


an upward flow of cold water from the ocean depths

neritic zone

the part of the ocean that extends from the low tide line out to the edge of the continental shaft

open ocean zone

the area of the ocean beyond the edge of the continental shaft


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


free swimming animals that can move through out the water collumn


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 shaft exposed by the lowest low tide


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


the farming of saltwater and freshwater organisms


a coastal inlet or bay where freshwater from rivers mixes with salt water from the ocean

surface zone

extends as far as sunlight reaches below the surface it is the only part of the open ocean where algae may grow

deep ocean zone

begins when the sunlight no longer reaches the water [at the end of the surface zone]it is dark and cold

surface currents

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


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