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Ocean

Across
Study of the ocean
Sounds waves
Animal Plankton Capable of moving independently of the ocean currents
The area of seabed around a large landmass where the sea is relatively shallow compared with the open ocean
Organisms that drift with the ocean currents
Where land and ocean meet and overlap
Organisms that live on the ocean floor
Any sea-bottom surface
the degree of compactness of a substance
A siliceous pelagic sediment the covers large areas
Down
A system of interlocking and interdependent food chains
The upper part of the ocean which sunlight can occur
Open ocean of any depth
Comprising organisms that share the same function in the food chain
The measurement of depth of water
A underwater plain on the ocean floor
Is a process used by plants and other organisms to convert light energy
How much salt is in the water
Synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving chemicals
A series of organisms each dependent on the next as a source of food
Animals capable of moving independently