Oceanography Crossword

relating to ocean depths from 2000 to 5000 meters
the deep sea (2000 meters or more) where there is no light
primitive chlorophyll-containing aquatic organisms
the southern waters surrounding Antarctica
the mass of air surrounding the Earth
measuring the depths of the oceans
the relaticely shallow seabed surrounding a continent
the top line of a hill, mountail, or wave
a steady flow of a fluid or gas
a warm ocean current that flows along the equator from the date line and south off the coast of Ecuador at Christmas time
an imaginary line around the earth forming a great circle
community of organisms where each member is eaten by another
the resistance when a ody is moved in contact with another
a slowly moving mass of ice
the force of attraction between all masses in the universe
a round shape formed by a series of concentric circles
a large mass of ice floating at sea
the third largest ocean
a less than average tide occuring at the first and third quarters of the moon
the steady flow of surface ocean water in a prevailing direction
the branch of science dealing with physical and biological aspects of the oceans
the largest ocean in the world
relating to, occuring in, or living in the open ocean
of or relating to or caused by light
synthesis of compounds in plants aided by radiant energy
aggregate of small organisms that float or drift in water
the relative proportion of salt in a solution
an underwater mountain rising above the ocean floor
a measuring instrument that sends out an acoustic pulse in water and measures distances in terms of the time for the echo of the pulse to return
the periodic rise and fall of the sea level
a long steep-sided depression in the ocean floor
a current that flows away from the shore after waves break
a ridge that moves across the surface of a liquid
the distance between two points in the cycles of a wave
a wave that is blown by the wind so its crest is broken and appears white