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River• natural stream of
water• fairly large• flows in definite
course or series of diverging and converging channels.
Tidal Creek• wetlands
situated in channels
• water flows both ways due to tides.
brackish•Water mixed with salt
•Aka: briny
diurnal• active by
day
• Ex: certain birds and insects
• Ex: Humans• Ex: fly• Butterfly• Turtles• Eagle
plankton• small or microscopic organisms
• float or drift in great numbers in fresh or salt water near the surface
• food for fish and other larger organisms.
• Ex: algae, protozoans,
Point Source Pollution• single identifiable source of pollution from which pollutants are discharged
• Ex: pipe, ditch, ship or factory smokestack