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15 Cards in this Set

  • Front
  • Back

hydrothermal vents

an area where ocean water sinks through cracks in ocean floor and heated by under magma and rises again through cracks


an upward flow of cold water from the ocean depths

neritic zone

the part of the ocean that extends from the low tide line out to the edge of the continental shelf

open ocean zone

the area of ocean beyond the edge of the continental shelf


tiny algae and animals that float in water and are carried by waves and currents


free swimming animals that can move throughout the water cloumn


orginisms that loive on the bottom of the ocean or other body of water

interial zone

the area that stretches from the highest high tide line on land to the point on the continental shelf exposed by the lowest low time


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


the farming of saltwater and freshwater orginisms


the coastal inlet or bay where fresh water from rivers mix with ocean

surface zone

extends as far out as sunlight no longer reaches below the surface;only part in open ocean algae can grow

deep ocean zone

begins when the sunlight no longer reaches below the surface;dark and cold

surface currents

a large area a steam of moving water at the surface that flows through the ocean


the part of the earths crust, water, and atmosphere that supports life