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16 Cards in this Set

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Hydrothermal vents

An areawhere ocean water sinks through cracks in the ocean floor is heated by theunderlying magma, and rises again through the cracks


Anupward flow of cold water from the ocean depths

Netric zone

The part ofthe ocean that extends from the low tide line out to the edge of thecontinental shelf

Open ocean zone

The area ofthe ocean beyond the edge of the continental shelf


Tiny algaeand animals that float in water and are carried by waves and currents


Free swimminganimals that can move throughout the water column


Organismsthat live on the bottom of the ocean or other body of water

Internal zone

The areathat stretches from the highest high-tide line on land out to the point on thecontinental shelf exposed by the lowest low tide


A system that uses sound waves to calculate the distance to an object


The farmingof saltwater and freshwater organisms


A costal inlet or bay where fresh water from rivers mixes with salty ocean water

Surface Zone

Extends asfar as sunlight reaches below the surface it is the only part of the openocean that receives enough sunlight for the growth of algae

Deep ocean zone

Begins whenthe sunlight no longer reaches the water (at the end of the surface zone) itis dark and cold

Surface currents

Is a large astream of moving water at the surface that flows through the ocean are mainlydriven by winds


The part ofthe earths crust waters and atmosphere that supports life