How do toxic heavy metals move from soil to lakes and streams?
runoff
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What is an important source of pollution in the Chesapeake Bay?
Using too much fertilizer
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15
Which of these is NOT an example of a freshwater wetland? answer choices bogs swamps freshwater marshes mangrove forests
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Rivers, lakes, aquifers, and reservoirs make up what percent of all the water on the planet?
about 1%
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The widening channel of a river where it meets the sea, mixing fresh water and salt water
Estuary
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The land that water flows across or through on its way to a body of water is called
Watershed
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The mixture of fresh and salt water is called -
brackish water
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Large blooms of algae on the surface of a lake keep which abiotic factor from reaching the bottom?
light
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Which of these is NOT an example of a freshwater wetland? Answer choices: bogs, swamps, freshwater marshes, mangrove forests
mangrove forests
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What do you call the condition of water when the oxygen levels reach such an extreme low that aquatic animals are forced to either flee or die?
Hypoxic
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15
The largest estuary in the contiguous 48 states is the
Chesapeake Bay
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Which is an abiotic factor that most limits the number of frogs living in a pond? Answer choices: the color of the water, the number of predators, the temperature of the water, the populations of producers
the temperature of the water
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15
What term describes the action of smaller streams and rivers feeding into larger rivers of a watershed?