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Ecosystems And Human Impact
Test Description: Review Questions!
Instructions: Answer all questions to get your test result.
1) How are ecosystems named?
A
by the surrounding country that is close by
B
by the climate it is associated with
C
by the plants that inhabit the ecosystem
D
by the surrounding city that is close by
2) What two factors are more important to grasslands?
A
Photosynthesis and a good root system
B
A good root system and the water cycle
C
A good roots system and temperature
D
Photosynthesis and the water cycle
3) How are forest and grasslands maintained?
A
fire
B
hurricane
C
flood
D
drought
4) What are abiotic factors associated with ecosystems?
A
water, shelter and animal life
B
temperature, water and soil nutrients
C
temperature, animals and soil nutrients
D
water, soil nutrients and grass
5) Why is a tundra considered a desert?
A
temperature
B
dry cold weather
C
lack of water
D
plenty of flora
6) What is the largest ecosystem on the planet?
A
forest
B
grasslands
C
oceans
D
tundra
7) What is the intertidal zone?
A
where the ocean meets a tide
B
where the ocean meets the land
C
where the ocean meets fresh water
D
where the ocean meets a reef
8) Where does most of the primary production occur in an ocean ecosystem?
A
first 200 feet
B
first 75 feet
C
first 150 feet
D
first 100 feet
9) Where is most of the freshwater located on earth?
A
glaciers and lakes
B
glaciers and streams
C
glaciers and rivers
D
glaciers and aquifers
10) Which of the following would be an example of a wetland ecosystem?
A
ponds
B
lakes
C
marshes
D
rivers
*select an answer for all questions
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