Question 1

The pioneer species at Glacier Bay, Alaska include

Accepted Answer

A)  mosses. 
B)  Dryas. 
C)  alders. 
D)  horsetails. 
E)  hemlocks. 
A)  mosses. 
B)  Dryas. 
C)  alders. 
D)  horsetails. 
E)  hemlocks.

Question 2

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. 
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 3

In the Piedmont of North Carolina, as plant diversity increases through secondary succession, bird diversity

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. 
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 4

Three years of herbicide applications by Bormann and Likens to a clear cut forest in the Hubbard Brook Experimental Forest resulted in

Accepted Answer

A)  delayed succession. 
B)  increased export of calcium. 
C)  increased import of nitrogen. 
D)  All of the choices are correct. 
E)  both delayed succession and increased export of calcium. 
A)  delayed succession. 
B)  increased export of calcium. 
C)  increased import of nitrogen. 
D)  All of the choices are correct. 
E)  both delayed succession and increased export of calcium.

Question 5

"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. 
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 6

A set of sites differing in successional age is called a ____________.

Accepted Answer

The answer of A set of sites differing in successional...

Question 7

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. 
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 8

Which statement about changing ecosystem properties during succession is false?

Accepted Answer

A)  biomass increases 
B)  community respiration increases 
C)  primary production increases 
D)  soil depths decrease 
E)  stream spiraling lengths decrease 
A)  biomass increases 
B)  community respiration increases 
C)  primary production increases 
D)  soil depths decrease 
E)  stream spiraling lengths decrease

Question 9

In the "transition phase" of forest succession,

Accepted Answer

A)  biomass increases rapidly as the community reorganizes. 
B)  biomass declines from an earlier peak. 
C)  biomass stays constant, but species composition turns over rapidly. 
D)  nutrient export increases dramatically and soils become depleted. 
E)  one climax community gives way to another. 
A)  biomass increases rapidly as the community reorganizes. 
B)  biomass declines from an earlier peak. 
C)  biomass stays constant, but species composition turns over rapidly. 
D)  nutrient export increases dramatically and soils become depleted. 
E)  one climax community gives way to another.

Question 10

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)  56F1F1F1S1F1F1F1040 
A)  2 to 126 
B)  5 to 79 
C)  45 to 67 
D)  18 to 71 
E)  56F1F1F1S1F1F1F1040

The pioneer species at Glacier Bay, Alaska include

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

In the Piedmont of North Carolina, as plant diversity increases through secondary succession, bird diversity

Three years of herbicide applications by Bormann and Likens to a clear cut forest in the Hubbard Brook Experimental Forest resulted in

"Primary" succession is succession that

A set of sites differing in successional age is called a ____________.

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

Which statement about changing ecosystem properties during succession is false?

In the "transition phase" of forest succession,

Given the following data, determine the interquartile range:

Introduction to Ecology Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Population Genetics and Natural Selection

Temperature Relations

Water Relations

Energy and Nutrient Relations

Socail Relations

Population Distribution and Abundance

Population Dynamics

Population Growth

Life Histories

Competition

Exploitative Interactions Predation, Herbivory, Parasitism, and Disease

Mutualism

Species Abundance and Diversity

Species Interactions and Community Structure

Primary Production and Energy Flow

Nutrient Cycling and Retention

Landscape Ecology

Geographic Ecology

Global Ecology

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Exam 20: Succession and Stability

The pioneer species at Glacier Bay, Alaska include

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

In the Piedmont of North Carolina, as plant diversity increases through secondary succession, bird diversity

Three years of herbicide applications by Bormann and Likens to a clear cut forest in the Hubbard Brook Experimental Forest resulted in

"Primary" succession is succession that

A set of sites differing in successional age is called a ____________.

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

Which statement about changing ecosystem properties during succession is false?

In the "transition phase" of forest succession,

Given the following data, determine the interquartile range:

Introduction to Ecology Historical Foundations and Developing Frontiers

Life on Land

Life in Water

Population Genetics and Natural Selection

Temperature Relations

Water Relations

Energy and Nutrient Relations

Socail Relations

Population Distribution and Abundance

Population Dynamics

Population Growth

Life Histories

Competition

Exploitative Interactions Predation, Herbivory, Parasitism, and Disease

Mutualism

Species Abundance and Diversity

Species Interactions and Community Structure

Primary Production and Energy Flow

Nutrient Cycling and Retention

Landscape Ecology

Geographic Ecology

Global Ecology

Filters