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9 Cards in this Set
- Front
- Back
Hydrothermal 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 depths |
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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 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 |