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15 Cards in this Set
- Front
- Back
Hydro-thermal vents |
An area where ocean water sinks through cracks in the ocean floor, is heated by the underlying magma, and rises again through the cracks. |
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Upwelling |
an upward flow of cold water from the ocean debths |
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Neritic zone |
the part of the ocean that extends from the low tide line out to the edge of the continental shelf |
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Open ocean zone |
the area of the ocean beyond the edge of the continental shelf. |
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Plankton |
tiny algae and animals that float in water and are carried by waves and currents |
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Nekton |
free swimming animals that can move throughout the water column |
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Benthos |
organisms that live on the bottom of the ocean or other body of water |
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Inertial zone |
the area that stretches from the highest tide line on land out to the point on the continental shelf exposed by the lowest tide |
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sonar |
a system that uses sound waves to calculate distance to an object |
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Aquaculture |
the farming of saltwater and freshwater organisms |
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Estuary |
A coastal inlet or bay where fresh water from rivers mixes with ocean water |
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Surface zone |
extends as far as sunlight reaches below the surface ; the only part of the ocean that receives enough sunlight for the growth of algie |
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Deep ocean zone |
when sunlight no longer reaches below the surface; it is cold and dark |
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Surface currents |
a large a stream of moving water at the surface that flows through the ocean; driven by wind |
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biosphere |
the part of the oceans crust the atmosphere that supports life |