Question 1

The change in plant,animal,and microbial communities in an area following disturbance or the creation of new substrate is called _________.

Accepted Answer

A) progression 
B) succession 
C) replacement 
D) colonization 
E) invasion 
A) progression 
B) succession 
C) replacement 
D) colonization 
E) invasion

Question 2

On intertidal boulders in California,the diversity of diatoms and algae

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 3

A community in which secondary succession is very rapid has

Accepted Answer

A) high resistance. 
B) low resistance. 
C) high resilience. 
D) low resilience. 
E) high replication. 
A) high resistance. 
B) low resistance. 
C) high resilience. 
D) low resilience. 
E) high replication.

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

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. 
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 6

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. 
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 7

Wayne Sousa's studies of succession on intertidal boulders demonstrated which elements of the inhibition hypothesis?

Accepted Answer

A) inhibition of mid- and late-successional species by pioneers 
B) inhibition of late-successional species by mid-successional ones 
C) higher mortality of pioneer species 
D) All of the choices are correct. 
E) None of the choices are correct. 
A) inhibition of mid- and late-successional species by pioneers 
B) inhibition of late-successional species by mid-successional ones 
C) higher mortality of pioneer species 
D) All of the choices are correct. 
E) None of the choices are correct.

Question 8

According to the tolerance model of succession,

Accepted Answer

A) early successional species modify the environment making it less suitable for the establishment by all species. 
B) only early successional species can establish as succession begins. 
C) early successional species modify the environment making it less suitable for early successional species but more suitable for late successional species. 
D) early successional species modify the environment making it less suitable for early successional species but neither less nor more favorable for late successional species. 
E) both early successional species modify the environment making it less suitable for early successional species but neither less nor more favorable for late successional species and only early successional species can establish as succession begins. 
A) early successional species modify the environment making it less suitable for the establishment by all species. 
B) only early successional species can establish as succession begins. 
C) early successional species modify the environment making it less suitable for early successional species but more suitable for late successional species. 
D) early successional species modify the environment making it less suitable for early successional species but neither less nor more favorable for late successional species. 
E) both early successional species modify the environment making it less suitable for early successional species but neither less nor more favorable for late successional species and only early successional species can establish as succession begins.

Question 9

How does canopy shading influence succession of pines and deciduous trees in the Piedmont of North Carolina?

Accepted Answer

A) Canopy shading by deciduous trees is required for growth of pines. 
B) Canopy shading by deciduous trees prevents establishment of pines until late in succession. 
C) Canopy shading by deciduous trees prevents persistence of pines in late successional stages. 
D) Canopy shading by pines prevents establishment of deciduous trees. 
E) Canopy shading by pines kills deciduous trees that were established early in succession. 
A) Canopy shading by deciduous trees is required for growth of pines. 
B) Canopy shading by deciduous trees prevents establishment of pines until late in succession. 
C) Canopy shading by deciduous trees prevents persistence of pines in late successional stages. 
D) Canopy shading by pines prevents establishment of deciduous trees. 
E) Canopy shading by pines kills deciduous trees that were established early in succession.

Question 10

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

Accepted Answer

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

The change in plant,animal,and microbial communities in an area following disturbance or the creation of new substrate is called _________.

On intertidal boulders in California,the diversity of diatoms and algae

A community in which secondary succession is very rapid has

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

During succession in Arizona streams,nitrogen retention

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

Wayne Sousa's studies of succession on intertidal boulders demonstrated which elements of the inhibition hypothesis?

According to the tolerance model of succession,

How does canopy shading influence succession of pines and deciduous trees in the Piedmont of North Carolina?

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

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

Social 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 change in plant,animal,and microbial communities in an area following disturbance or the creation of new substrate is called _________.

On intertidal boulders in California,the diversity of diatoms and algae

A community in which secondary succession is very rapid has

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

During succession in Arizona streams,nitrogen retention

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

Wayne Sousa's studies of succession on intertidal boulders demonstrated which elements of the inhibition hypothesis?

According to the tolerance model of succession,

How does canopy shading influence succession of pines and deciduous trees in the Piedmont of North Carolina?

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

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

Social 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