Chesapeake Bay Watershed

Chemicals and toxins that can contaminate earths land water or air is called

• run off

• pollution

• filter

_______________________ are necessary for growth, but too many can lead to excess algae growth.

• nutrients

• watershed

• bacteria

Which is NOT a natural resource that we depend on for survival?

• gold

• water

• trees

Wetlands trap sediment, trash and other pollutants as water runs through them, in this way they are acting as

• habitats

• filters

• tributatires

Which is a point source pollutant?

• run off from a parking lot

• oil from a drain emptying into water

• air pollution

An inlet of water separated from the ocean by land

• watershed

• bay

• swamp

Streams and other small bodies of water that feed into a river are known as

• estuaries

• tributaries

• bays

Water that fills cracks in underground soil and rock layers is known as

• estuary

• groundwater

• well

Which f the following helps scientists measure water quality

• macroinvertibrates

• dissolved oxygen

• turbidity

• all of the above

swamps, marshes and bogs are examples of

• bays

• estuaries

• wetlands