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24 Cards in this Set
- Front
- Back
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Continental Shelf
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The gently sloping section of the continental margin located between the shoreline and the continental shelf.
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Continental Slope
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The steeply inclined section of the continental margin located between the continental rise and the continental shelf.
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Continental Rise
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The gently sloping section of the continental margin located between the continental slope and the abyssal plain.
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Abyssal Plain
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A large, flat, almost level area of the deep-ocean basin.
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Mid-Ocean Ridge
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a long, undersea mountain chain that has a steep, narrow valley at its center, that forms as magma rises from the asthenosphere, and that creates new oceanic lithosphere (sea floor) as tectonic plates move apart
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Seamount
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A submerged mountain on the ocean floor that is at least 1,000 m high that has a volcanic origin
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Ocean Trench
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a long, narrow, and steep depression on the ocean floor that forms as when one tectonic plate subducts beneath another plate; trenches run parallel to volcanic island chains or to the coastlines of continents; also called a trench or a deep-ocean trench
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Rift Valley
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A long, narrow valley that forms as tectonic plates seperate.
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Salinity
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The amount of dissolved salts in water.
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Water Cycle
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The continuous movement between the atmosphere, the land, and the oceans.
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Benthos
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Organisms that live at the bottom of oceans or bodies of fresh water.
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Nekton
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All organisms that swim actively in open water, independent of currents.
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Plankton
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the mass of mostly microscopic organisms that float or drift freely in the waters of aquatic (freshwater and marine) environments
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Hadal Zone
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The deep zone of the ocean, below 6,000 m
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Abyssal Zone
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the benthic environment that extends from beneath the bathyal zone to a depth of up to 6,000 m
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Sublittoral Zone
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the benthic environment from the extreme low-water level to about 200 m deep
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Intertidal Zone
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an area along ocean shorelines that lies between low and high water lines
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Bathyal Zone
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the region of the ocean at depths between 200 m and 4,000 m
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Neritic Zone
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a shallow marine environment that is near the shore or over the continental shelf and that is rich in minerals and nutrients produced by biotic activity
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Living
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Fish
Overfishing Seaweed |
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Nonliving
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Gas
Oil Desalination Minerals |
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What are mid-ocean ridges?
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A chain of underwater mountains.
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What kind of river has a wide, flat floodplain and many bends where it deposits rock and soil?
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Old Rivers
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What method of flood control involves building a barrier that holds excess water in an artificial lake?
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Building a Dam.
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