Question 1

During primary succession at Glacier Bay,overall plant species diversity

Accepted Answer

A) first increases rapidly,then levels off. 
B) increases steadily throughout succession. 
C) increases slowly at first,then more rapidly after a few hundred years. 
D) peaks at intermediate successional stages. 
E) decreases steadily throughout succession. 
A) first increases rapidly,then levels off. 
B) increases steadily throughout succession. 
C) increases slowly at first,then more rapidly after a few hundred years. 
D) peaks at intermediate successional stages. 
E) decreases steadily throughout succession.

Question 2

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 3

"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 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

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

Accepted Answer

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

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

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 8

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

Accepted Answer

A) make it 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 more suitable for survival of all species. 
E) in this model,pioneer species do not modify the environment. 
A) make it 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 more suitable for survival of all species. 
E) in this model,pioneer species do not modify the environment.

Question 9

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 10

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.

During primary succession at Glacier Bay,overall plant species diversity

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

"Primary" succession is succession that

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

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

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

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

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

The pioneer species at Glacier Bay,Alaska include

During succession in Arizona streams,nitrogen retention

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

During primary succession at Glacier Bay,overall plant species diversity

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

"Primary" succession is succession that

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

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

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

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

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

The pioneer species at Glacier Bay,Alaska include

During succession in Arizona streams,nitrogen retention

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