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16 Cards in this Set

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Chris Shah

: )

Hydrothermal Vents

An area where ocean water sinks through cracks in the ocean floor, is heated by the underying magma, aand rises again through the cracks.

Upwelling

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 shelf.

Open Ocean Zone

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

Plankton

Tiny algae and animals that float in the water and are carried by waves and currents.

Nekton

Free swimming animals that can move throughout the water collum

Benthos

Organisms that live on the bottom of the ocean or other bodys of water.

Inertial Zone

The are that streches from the highest high-tide line on land out to the point on the continental shelf exsposed by the lowest low-tide.

Sonar

A system that uses sound waves to calculate the distance to and object.

Aquaculture

The farming of saltwater and freshwater organisms.

Estuary

A costal inlet or bay where fresh water from rivers mixes with salty water from the ocean.

Surface Zone

Extends as far as sunlight reaches below the surface; it is only part of the ocean that recieves enough sunlight for the growth of algae.

Deep Ocean Zone

Begins when the sunlightno 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.

Biosphere

The part of the Eath's crust, waters, and atmosphere that supports life.