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15 Cards in this Set
- Front
- Back
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hydrothermal vents |
an area were ocean water shrinks through cracks in the ocean floor, heated by the underlying magma, and rises through the cracks. |
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upwelling |
an upward flow of cold water from the ocean depths. |
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nertic zone |
the park of the ocean 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 colum |
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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 high tide line on land out to the point on the Continental shelf exposed by the lowest low tide |
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sonar |
a system that uses sound waves to calculate the 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 were fresh water from rivers mix with salty ocean water |
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surface zone |
extends as far as sunlight reaches below the surface the part in the ocean grows plants under water |
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deep ocean zone |
begins with the sunlight no longer reaches the water. |
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surface currents |
is a large stream of moving water at the surface that flows through the ocean |
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biosphere |
the part of the earths crust waters and atmosphere that supports life. |
