Ocean zone vocab.
the aggregate of small plant and animal organisms that float or drift in great numbers in fresh or salt water
all organisms that swim actively in open water, independent of currents
organisms (plants and animals) that live at or near the bottom of a sea
network of complex interactions formed by the feeding relationships among the various organisms in an ecosystem
part of the shoreline that is underwater at high tide and exposed to the air at low tide
the tidal arm of a river
the science of cultervating marine fish.
small like pertrusion
a device that bounces sound waves off underwater objects and then records the echoes of these sound waves
a gently sloping, shallow area of the ocean floor that extends outward from the edge of a continent
a steep slope from the continential shelf to the ocean floor
process of removing salt from salt water
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