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16 Cards in this Set

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  • Back



hydrothermal vents

an area where ocean water sinks through cracks in the ocean floor, is heated by the underlaying 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 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 other bodies of water

inertial zone

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


a system that tuses sound waves to calculate that distance to an objec


the farming of saltwater and freshwater organisms


a coastal inlet or where fresh water from rivers mixes with salty ocean water

surface zone

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