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15 Cards in this Set
- Front
- Back
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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 waster from the ocean depths |
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neritic zone |
the part of the extends from the low tide line out 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 the water and 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 caculate the distance to an object |
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aquaculture |
the farming of saltwater and freshwater organisms |
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estuary |
a costal inlet or bay where fresh water from rivers mixes with salty ocean water |
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sureface zone |
extends as far as the sunlightit is the only part of the open ocean that receives enough sunloight for the growth of algae |
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deep ocean zone |
begins when the sunlight no longer reaches the water at the end of the surface zone it is cold and dark |
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surface currents |
is a large a stream of moving water at the surface that flows throught the ocean |
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biosphere |
the part of the earths crust water and atmosphere that supports life |
