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14 Cards in this Set
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- Back
KENNEDY SOUTHERN 2ND PERIOD 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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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 soundwaves 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 costal inlet or bay where fresh water from rivers mixes with salty ocean water
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Surface Zone |
extends as far as sunlight reaches below the surface; it is the only part of the open ocean that receives enough sunlight for the growth of algae |
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Deep ocean zone |
begins when the sunlight no loner reaches the water(at the end of the surface zone); it is dark and cold |
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Surface Currents |
a large stream of moving water at the surface that flows through the ocean, are mainly driven by winds |
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Biosphere |
the part of the earths crust, waters, and atmosphere that supports life |