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science vocab

surface water water that collects on the surface
ground water water that collects underground
wetlands land consisting of marshes and swamps
intertidal zone an area above water at low tide and underwater at high tide
hydrosphere all the waters on the earths surface
aquifer a body of permeable rock that can contain or transmit groundwater
watershed an area or ridge of land that separates waters flowing to different rivers, basins, or seas
estuary the tidal mouth of a large river, where the tide meets the stream
upwelling a rising of seawater
downwelling the downward movement of seawater
chemosynthesis the synthesis of organic compounds by bacteria or other living organisms using energy derived from reactions involving inorganic chemicals, typically in the absence of sunlight
coral reef a ridge of rock in the sea formed by the growth and deposit of coral.
kelp forest The kelp forest is a forest, but it is not a forest of trees. It is made of seaweed called giant kelp. Giant kelp grows in cool coastal waters where sunlight can go down to a rocky sea floor. Kelp needs sunlight in order to grow
phytoplankton plankton consisting of microscopic plants
Hydrothermal vent an opening in the sea floor out of which heated mineral-rich water flows
turbidity Turbidity is a measure of water clarity how much the material suspended in water decreases the passage of light through the water. Suspended materials include soil particles (clay, silt, and sand), algae, plankton, microbes, and other substances
eutrophication excessive richness of nutrients in a lake or other body of water, frequently due to runoff from the land, which causes a dense growth of plant life and death of animal life from lack of oxygen
bioindicators an organism whose status in an ecosystem is analyzed as an indication of the ecosystems health
point source pollution Point source pollution, on the most basic level, is water pollution that comes from a single, discrete place, typically a pipe
non point source pollution comes from many diffuse sources
micro organisms a microscopic organism
overfishing deplete the stock of fish in a body of water by fishing too much
stewardship the management or care of something, particularly the kind that works
clean water act the primary federal law in the United States governing water pollution
safe drinking act the principal federal law in the United States intended to ensure safe drinking water for the public
Created by: 422367