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15 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 underlying magma, and rises again through the cracks


an upward flow of cold water from ocean depths

Neritic Zone

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

Open Ocean Zone

area of the ocean beyond the edge of the continental shelf


tiny algae and animals that move throughout the oceans


free swimming animals that can move throughout the water column


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

Inertial Zone

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


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


farming of salt and fresh water organisms


coastal inlet or bay where fresh water mixes with ocean water (salt water)

Surface Zone

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

Deep Ocean Zone

begins when sunlight no longer reaches the water; very dark and cold

Surface Currents

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


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