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Watersheds
Test Description: 6.7
Instructions: Answer all questions to get your test result.
1) Which of the following is an abiotic (nonliving) factor?
A
squirrel
B
fox
C
air quality
D
plant
2) Which of the following is an abiotic factor?
A
sunlight
B
oak tree
C
grass
D
sunflower
3) Which of these do the three major watershed systems in VA not lead to?
A
Chesapeake Bay
B
North Carolina Sounds
C
Gulf of Mexico
D
Lake Michigan
4) As water flow in rivers and streams decreases in speed, what happens to the size of sediment it carries?
A
increases
B
decreases
5) The Chesapeake Bay is a(n)...
A
river
B
estuary
C
pond
D
lake
6) What mixes fresh water and salt water in the Chesapeake Bay?
A
sediment
B
tides
C
weathering
D
sunlight
7) Which is not a water quality monitoring parameter?
A
salinity
B
turbidity
C
pH level
D
habitat
8) T or F Wetlands provide food and shelter for wildlife and fish.
A
True
B
False
9) A(n) __________________ is made up of the biotic community and the nonliving factors that affect it.
A
bay
B
river system
C
ecosystem
D
estuary
10) Which word means living?
A
antibiotic
B
abiotic
C
watershed
D
biotic
11) Wide, flat border areas onto which water spills out at times of high flow are called...
A
sediment soils
B
flood plains
C
ridgelines
D
flood divides
12) The health of an ecosystem is directly related to water ______________.
A
quality
B
geology
C
tributaries
D
turbidity
13) What separates watersheds?
A
areas of higher elevations
B
all of the above
C
divides
D
ridgelines
14) What is the name of the largest estuary in the contiguous United States?
A
Potomac River
B
Chesapeake Bay
C
York River
D
Rappahannock River
15) Which state is not included as part of the Chesapeake Bay watershed?
A
California
B
Pennsylvania
C
Virginia
D
Maryland
16) Which is not an example of a wetland?
A
marsh
B
bog
C
swamp
D
river
17) What forms the transition zone between dry land and bodies of water?
A
estuary
B
wetland
C
tributary
D
watershed
18) A watershed is ______________ that water flows across or through.
A
a river
B
an area of land
C
a wetland
D
a stream
19) How many states are part of the Chesapeake Bay watershed?
A
2
B
7
C
6
D
5
20) Which water quality indicator involves the amount of dissolved salts in water?
A
dissolved oxygen
B
turbidity
C
salinity
D
saltinity
*select an answer for all questions
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