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Ecological Succession And The Impact Of Catastropic Events On Ecosystems
Test Description: CUQ 7.6.2
Instructions: Answer all questions to get your test result.
1) The replacement of one community by another over a period of time is called -
A
ecological succession
B
energy pyramid
C
food web
D
food chain
2) In the process of succession, communities will grow and replace one another. The end result of this succession is –
A
a pioneer species evolves
B
a catastrophic event occurs
C
a primary community forms
D
a climax community forms
3) Which of the following is a stable community?
A
pioneer
B
food web
C
climax
D
energy pyramid
4) What can cause secondary succession to occur?
A
heavy freeze
B
drought
C
forest fire
D
all of these
5) What can cause primary succession to occur?
A
volcanic eruption
B
forest fire
C
all of these
D
drought
6) Which natural event would most likely cause succession in a grassy field?
A
The grass leaves are frozen by a hard freeze
B
Many grass plants die after a period of no rainfall.
C
All the soil remains wet for several days after a heavy rain.
D
Most of the grass in blown flat by strong winds.
7) hammock
A
marine estuary
B
cypress
C
hammock
D
coastal prairie
8) . Which of the following would be the most effective method in reducing more erosion of a shoreline?
A
planting native grasses on the beaches
B
building more houses in the aresa
C
preventing tourists from visiting
D
removing native animals from the area
9) What will happen to land that used to be corn fields if they are left undisturbed over the next 40 years?
A
Large ponds will develops due to extended rainfall.
B
Primary succession will occur.
C
Large pine trees will gros as soon as the corn is cut.
D
Secondary succession will occur.
10) Which of the following correctly describes limiting factors of ecological succession?
A
energy pyramids and chains
B
soil and moisture
C
food webs and chains
D
animals and fish
*select an answer for all questions
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