Unit 3.2 Analyzing Ecosystems Review Question Preview (ID: 60512)


W.E.D., Watersheds, Catastrophic Events, Primary And Secondary Succession. TEACHERS: click here for quick copy question ID numbers.

What is the best explanation for why an animal would come back to an ecosystem once it has been through succession?
a) The organism will not want to go back to the ecosystem because it experienced a disturbance and is damaged.
b) The animal did not like where it lived before, so he decided to move.
c) Once the ecosystem has gone through succession, more resources will now begin to be available to organisms.
d) The organism will now want to come to the ecosystem and provide the resources available needed to sustain the ecosystem.

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) Vegetation will have no effect on erosion in an environment
d) Abundant vegetation will prevent erosion because the soil holds plants in place

what type of succession takes a longer time to recover into a climax community?
a) Primary succession
b) Secondary succession
c)
d)

Why can an ecosystem going through secondary succession take a shorter amount of time to recover?
a) Secondary succession does not take a shorter amount of time compared to primary succession
b) The region has to start from scratch
c) The area has soil that remains making it easier for plants to begin to populate the area.
d) The region has soil, so it will take a long time to recover into becoming a climax community once again.

The process of carbonation will produce an acid which will then create landforms like:
a) caves and mountains
b) caves and sinkholes
c) sinkholes and plateaus
d) valleys and caves

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
d)

In what way do humans affect groundwater in our watersheds?
a) by polluting our water source
b) by removing the water
c) human activity does not affect groundwater
d)

Weathering is the breaking down of rock?
a) True
b) False
c)
d)

A watershed is an area of land where all water will collect into the same larger body of water.
a) False
b) True
c)
d)

Surface water is water that lies beneath the Earth's surface.
a) True
b) False
c)
d)

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