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15 Cards in this Set
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HYDRO-THERMAL VENTS Jonathon taylor |
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
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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 the 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 the 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 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 only part of the open ocean that receives enough sunlight for the growth of algae |
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DEEP OCEAN |
begins when the sunlight no longer reaches the water (at the end of the surface zone); it is dark and cold |
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SURFACE CURRENTS |
is 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 earth's crust, waters, and atmosphere that supports life |