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16 Cards in this Set

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Hydrothermal Vents

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


An upward flow of cold water from the ocean depths

Netitic 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


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


free-swimming animals that can move throughout the water column


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

Inertial Zone

the area that stretches form the highest high-tide on land out to the point on the continental shelf 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 the salty ocean water

Surface Zone

extends as far as the sunlight reaches below the surface; it is the only part of the open ocean that receives enough sunlight for growth of algae

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


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