Question 1

According to the "facilitation" hypothesis,pioneer species modify the environment in ways that

Accepted Answer

A)   make it more suitable for their own survival, and less suitable for other species.
B)   make it less suitable for their own survival, but more suitable for survival of other pioneer species.
C)   make it less suitable for their own survival, but more suitable for survival of late-successional species.
D)   make it less suitable for survival of all species.
E)   make it more suitable for survival of all species.

Question 2

In the area of Glacier Bay,Alaska,the climax community is

Accepted Answer

A)   hemlock forest.
B)   muskeg.
C)   hemlock forest on steep slopes, and muskeg on shallower slopes.
D)   hemlock forest on shallow slopes, and muskeg on steeper slopes.
E)   Dryas mats with scattered alders and cottonwoods.

Question 3

In secondary succession on abandoned fields in the Piedmont of North Carolina,important pioneer species include

Accepted Answer

A)   horsetails.
B)   Dryas.
C)   broomsedge (Andropogon) .
D)   pine seedlings.
E)   crabgrass and horseweed.

Question 4

Given the following data,determine the interquartile range:

Accepted Answer

A)   2 to 126
B)   5 to 79
C)   45 to 67
D)   18 to 71
E)   56 ±\pm± 40

Question 5

The first plants in a successional sequence are called the ______________.

Accepted Answer

The answer of The first plants in a successional sequence...

Question 6

As Hawaiian lava flows age over 4 million years,

Accepted Answer

A)   total soil phosphorous levels decrease.
B)   total soil phosphorous levels increase.
C)   total soil phosphorous stays about the same, but more phosphorous becomes refractory.
D)   total soil phosphorous stays about the same, but more phosphorous becomes weatherable.
E)   phosphorous limitation of primary production becomes less important.

Question 7

During succession in Arizona streams,nitrogen retention

Accepted Answer

A)   increases at first, but then declines late in succession.
B)   increases steadily through succession.
C)   increases slowly at first, but then rapidly late in succession.
D)   increases rapidly at first, then plateaus late in succession.
E)   first decreases, but later increases.

Question 8

"Primary" succession is succession that

Accepted Answer

A)   involves establishment of primary producers where there were none.
B)   leads to establishment of a climax community dominated by primary producers.
C)   occurs on newly exposed geologic substrates, not organic soil.
D)   occurs where organic soils have been exposed but not destroyed by disturbance.
E)   occurs after fire or agricultural abandonment.

Question 9

Succession in old fields in the Piedmont of North Carolina involves succession driven

Accepted Answer

A)   largely by facilitation.
B)   largely by inhibition.
C)   largely by tolerance.
D)   both by inhibition and by tolerance.
E)   both by facilitation and by inhibition.

Question 10

___________ occurs in areas where disturbance destroyed the previous community without destroying the soil.

Accepted Answer

A)   Pioneer succession
B)   Climax succession
C)   Secondary succession
D)   Primary succession
E)   Disturbance succession

Exam 20: Succession and Stability

Given the following data,determine the interquartile range: $Given the following data,determine the interquartile range: A) 2 to 126 B) 5 to 79 C) 45 to 67 D) 18 to 71 E) 56 \pm 40$

Correct Answer
verified

Succession in old fields in the Piedmont of North Carolina involves succession driven

Correct Answer
verified

"Primary" succession is succession that

Correct Answer
verified

In secondary succession on abandoned fields in the Piedmont of North Carolina,important pioneer species include

Correct Answer
verified

In the area of Glacier Bay,Alaska,the climax community is

Correct Answer
verified

The first plants in a successional sequence are called the ______________.

Correct Answer
verified

___________ occurs in areas where disturbance destroyed the previous community without destroying the soil.

Correct Answer
verified

As Hawaiian lava flows age over 4 million years,

Correct Answer
verified

During succession in Arizona streams,nitrogen retention

Correct Answer
verified

According to the "facilitation" hypothesis,pioneer species modify the environment in ways that

Correct Answer
verified

Exam 20: Succession and Stability

Given the following data,determine the interquartile range:

Correct AnswerverifiedShow Answer

Succession in old fields in the Piedmont of North Carolina involves succession driven

Correct AnswerverifiedShow Answer

"Primary" succession is succession that

Correct AnswerverifiedShow Answer

In secondary succession on abandoned fields in the Piedmont of North Carolina,important pioneer species include

Correct AnswerverifiedShow Answer

In the area of Glacier Bay,Alaska,the climax community is

Correct AnswerverifiedShow Answer

The first plants in a successional sequence are called the ______________.

Correct AnswerverifiedShow Answer

___________ occurs in areas where disturbance destroyed the previous community without destroying the soil.

Correct AnswerverifiedShow Answer

As Hawaiian lava flows age over 4 million years,

Correct AnswerverifiedShow Answer

During succession in Arizona streams,nitrogen retention

Correct AnswerverifiedShow Answer

According to the "facilitation" hypothesis,pioneer species modify the environment in ways that

Correct AnswerverifiedShow Answer

Given the following data,determine the interquartile range: $Given the following data,determine the interquartile range: A) 2 to 126 B) 5 to 79 C) 45 to 67 D) 18 to 71 E) 56 \pm 40$

Correct Answer
verified

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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