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[QUIZ]
How has the removal of wetlands impacted rivers and streams?
a.
It has increased the rate of absorption, causing a decrease in water levels.
b.
It has decreased the rate of absorption, causing greater incidents of flooding.
c.
It has hindered the migration of fish, causing a loss in biodiversity.
d.
Wetland removal has had no measurable impact on rivers and streams.
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B.
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Which area of rivers and streams will most likely contain the most sediment?
a.
the source
b.
the mouth
c.
the middle portion
d.
none of the above
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B.
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Streams have a detectable current, while rivers do not.
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FALSE.
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What characteristic sets streams and rivers apart?
a.
water quality
b.
direction of flow
c.
size
d.
biodiversity
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C.
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Where does the water in streams and rivers originate?
a.
precipitation
b.
runoff
c.
ice and snowpacks
d.
all of the above
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D.
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How does access to sunlight affect the biodiversity of a river ecosystem?
a.
Sediment is limited in areas with little access to sunlight.
b.
Plant and animal life is limited in areas with little access to sunlight.
c.
Algae is more common in areas with less access to sunlight.
d.
Biodiversity is unaffected by access to sunlight.
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B.
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Which of the following is a way that humans impact rivers and streams?
a.
pollution
b.
dams
c.
flooding
d.
all of the above
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D.
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Currents shape rivers over long periods of time.
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TRUE.
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The organisms found in rivers and streams vary based on location.
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TRUE.
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Fish that feed on sediment will most likely be found in _______ rivers.
a.
shallow
b.
narrow
c.
deep
d.
fast-moving
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C.
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