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Unit 3.2 Analyzing Ecosystems Review
Test Description: W.E.D., Watersheds, Catastrophic events, primary and secondary succession.
Instructions: Answer all questions to get your test result.
1) What is the best explanation for why an animal would come back to an ecosystem once it has been through succession?
A
Once the ecosystem has gone through succession, more resources will now begin to be available to organisms.
B
The organism will now want to come to the ecosystem and provide the resources available needed to sustain the ecosystem.
C
The organism will not want to go back to the ecosystem because it experienced a disturbance and is damaged.
D
The animal did not like where it lived before, so he decided to move.
2) How does abundant vegetation affect erosion?
A
Abundant vegetation will help prevent erosion because the roots hold soil in place
B
abundant will hold soil and increase the amount of erosion that occurs.
C
Abundant vegetation will prevent erosion because the soil holds plants in place
D
Vegetation will have no effect on erosion in an environment
3) what type of succession takes a longer time to recover into a climax community?
A
Secondary succession
B
Primary succession
4) Why can an ecosystem going through secondary succession take a shorter amount of time to recover?
A
The region has soil, so it will take a long time to recover into becoming a climax community once again.
B
The area has soil that remains making it easier for plants to begin to populate the area.
C
Secondary succession does not take a shorter amount of time compared to primary succession
D
The region has to start from scratch
5) The process of carbonation will produce an acid which will then create landforms like:
A
sinkholes and plateaus
B
caves and sinkholes
C
valleys and caves
D
caves and mountains
6) What would happen to the water table if wells are drilled and water is being pumped out?
A
The water table will remain the same
B
The water table will drop/decrease
C
The water table will rise
7) In what way do humans affect groundwater in our watersheds?
A
by removing the water
B
by polluting our water source
C
human activity does not affect groundwater
8) Weathering is the breaking down of rock?
A
True
B
False
9) A watershed is an area of land where all water will collect into the same larger body of water.
A
True
B
False
10) Surface water is water that lies beneath the Earth's surface.
A
True
B
False
*select an answer for all questions
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