Question 1

Figure 53-5 ​

​
Refer to the accompanying figure. A population that produces a large number of offspring, but the offspring must survive independently, would be represented by the curve labeled:

Accepted Answer

A)   A.
B)   B.
C)   C.
D)   either A or B.
E)   either A, B, or C.

Question 2

Figure 53-2 ​

​
On the accompanying figure, identify the point that indicates the carrying capacity for this population.

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   Cannot be determined from this graph.

Question 3

Match between columns
                        Premises: Typically studied in laboratories

Accepted Answer

The Answer of Density dependent and Density independent is...

Question 4

Compare and contrast Type I and Type III survivorship curves. Sketch a correctly labeled graph to support your comparison. BONUS: Identify two organisms that represent each of the two types of survivorship strategies discussed here.

Accepted Answer

The sketch should resemble Figure 53-8. ...

Question 5

What is perhaps the most common of the dispersal patterns seen in nature?

Accepted Answer

A)   Random dispersion
B)   Disaggregated dispersion
C)   Uniform dispersion
D)   Density-dependent distribution
E)   Clumped dispersion

Question 6

The British clergyman and economist Malthus was one of the first to recognize which of the following?

Accepted Answer

A)   Human populations cannot continue to increase indefinitely.
B)   Animals arrange themselves into populations.
C)   Some species are r -strategists.
D)   Some species are K -strategists.
E)   Not all species can be classified as exclusively r -strategists or K -strategists.

Question 7

Figure 53-1 ​

​
The equation that would best describe the curve in the accompanying figure is:

Accepted Answer

A)   dN / dt = r .
B)   dN / dt = N .
C)   dN / dt = rN .
D)   dN / dt = rN + I − e .
E)   dN / dt = rN ( K − N ) .

Question 8

Consumption overpopulation occurs when each individual in a population consumes too large a share of resources.

Accepted Answer

A) True 
 B)False

Question 9

People overpopulation is the current problem in many developing nations.

Accepted Answer

A) True 
 B)False

Question 10

Match between columns
                        Premises: Generally causes an increase in death rate

Accepted Answer

The Answer of Density independent and Density dependent is...

Question 11

The best definition of population density is the number of individuals:

Accepted Answer

A)   of all species in a given area.
B)   of one species in a given area.
C)   in a given area at a given time.
D)   of all species in a given area at a given time.
E)   of one species in a given area at a given time.

Question 12

At zero population growth:

Accepted Answer

A)   b = d.
B)   b > d.
C)   b d.
D)   r > 0.
E)   r > K .

Question 13

Clumped dispersion is often influenced by:

Accepted Answer

A)   the presence of strange groups.
B)   sexual reproduction in plants or invertebrates.
C)   unlimited seed dispersal in plants.
D)   a patchy distribution of resources.
E)   homogenous environments.

Question 14

Which of the following is NOT characteristic of a metapopulation?

Accepted Answer

A)   Varying levels of precipitation, soil moisture, and other properties
B)   Recolonization of vacant habitat
C)   Heterogeneous species dispersal
D)   Homogeneous species dispersal
E)   Dispersal among several local populations

Question 15

The moose population on Isle Royale is an example of:

Accepted Answer

A)   interspecific exploitation competition.
B)   intraspecific exploitation competition.
C)   interspecific contest competition.
D)   intraspecific contest competition.
E)   both intraspecific contest competition and scramble competition.

Question 16

Which of the following consists of organisms, all of which share a common gene pool?

Accepted Answer

A)   A community
B)   A population
C)   A biosphere
D)   An ecosystem
E)   A landscape

Question 17

When r = 0.00001, the population size:

Accepted Answer

A)   will increase.
B)   will decrease.
C)   is stable.
D)   may increase or decrease, depending on K .
E)   may increase or decrease, depending on i .

Question 18

Figure 53-3 ​

​
According to the data in the accompanying figure, the cause of the decline of the wolf population in 1982 was:

Accepted Answer

A)   a sharp decrease in food supply.
B)   a decrease in the intrinsic rate of increase for the wolf population.
C)   competition with a newly introduced predator.
D)   introduction of a disease organism.
E)   cannot be determined from the data provided.

Question 19

Refer to the accompanying figure. At which point do the environmental limits begin to slow the growth rate?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   There are considerable environmental limits on all regions of the graph.

Question 20

When the size of a population begins to approach K, we can expect that the growth rate will:

Accepted Answer

A)   rapidly increase.
B)   slowly increase.
C)   decline.
D)   stabilize.
E)   the answer is not predictable.

Exam 53: Introduction to Ecology: Population Ecology

Compare and contrast Type I and Type III survivorship curves. Sketch a correctly labeled graph to support your comparison. BONUS: Identify two organisms that represent each of the two types of survivorship strategies discussed here.

Correct Answer
verified
The sketch should resemble Figure 53-8. ...
View Answer

Refer to the accompanying figure. At which point do the environmental limits begin to slow the growth rate?

Correct Answer
verified

The best definition of population density is the number of individuals:

Correct Answer
verified

Match the population-influencing factor or definition with its type.

Which of the following is NOT characteristic of a metapopulation?

Correct Answer
verified

Figure 53-2 On the accompanying figure, identify the point that indicates the carrying capacity for this population.

Correct Answer
verified

What is perhaps the most common of the dispersal patterns seen in nature?

Correct Answer
verified

The moose population on Isle Royale is an example of:

Correct Answer
verified

Figure 53-5 Refer to the accompanying figure. A population that produces a large number of offspring, but the offspring must survive independently, would be represented by the curve labeled:

Correct Answer
verified

At zero population growth:

Correct Answer
verified

When r = 0.00001, the population size:

Correct Answer
verified

Figure 53-1 The equation that would best describe the curve in the accompanying figure is:

Correct Answer
verified

Consumption overpopulation occurs when each individual in a population consumes too large a share of resources.

Correct Answer
verified

The British clergyman and economist Malthus was one of the first to recognize which of the following?

Correct Answer
verified

When the size of a population begins to approach K, we can expect that the growth rate will:

Correct Answer
verified

Match the population-influencing factor or definition with its type.

Figure 53-3 According to the data in the accompanying figure, the cause of the decline of the wolf population in 1982 was:

Correct Answer
verified

People overpopulation is the current problem in many developing nations.

Correct Answer
verified

Clumped dispersion is often influenced by:

Correct Answer
verified

Which of the following consists of organisms, all of which share a common gene pool?

Correct Answer
verified

Exam 53: Introduction to Ecology: Population Ecology

Compare and contrast Type I and Type III survivorship curves. Sketch a correctly labeled graph to support your comparison. BONUS: Identify two organisms that represent each of the two types of survivorship strategies discussed here.

Correct AnswerverifiedThe sketch should resemble Figure 53-8. ...View AnswerShow Answer

Refer to the accompanying figure. At which point do the environmental limits begin to slow the growth rate?

Correct AnswerverifiedShow Answer

The best definition of population density is the number of individuals:

Correct AnswerverifiedShow Answer

Match the population-influencing factor or definition with its type.

Which of the following is NOT characteristic of a metapopulation?

Correct AnswerverifiedShow Answer

Figure 53-2 ​ ​ On the accompanying figure, identify the point that indicates the carrying capacity for this population.

Correct AnswerverifiedShow Answer

What is perhaps the most common of the dispersal patterns seen in nature?

Correct AnswerverifiedShow Answer

The moose population on Isle Royale is an example of:

Correct AnswerverifiedShow Answer

Figure 53-5 ​ ​ Refer to the accompanying figure. A population that produces a large number of offspring, but the offspring must survive independently, would be represented by the curve labeled:

Correct AnswerverifiedShow Answer

At zero population growth:

Correct AnswerverifiedShow Answer

When r = 0.00001, the population size:

Correct AnswerverifiedShow Answer

Figure 53-1 ​ ​ The equation that would best describe the curve in the accompanying figure is:

Correct AnswerverifiedShow Answer

Consumption overpopulation occurs when each individual in a population consumes too large a share of resources.

Correct AnswerverifiedShow Answer

The British clergyman and economist Malthus was one of the first to recognize which of the following?

Correct AnswerverifiedShow Answer

When the size of a population begins to approach K, we can expect that the growth rate will:

Correct AnswerverifiedShow Answer

Match the population-influencing factor or definition with its type.

Figure 53-3 ​ ​ According to the data in the accompanying figure, the cause of the decline of the wolf population in 1982 was:

Correct AnswerverifiedShow Answer

People overpopulation is the current problem in many developing nations.

Correct AnswerverifiedShow Answer

Clumped dispersion is often influenced by:

Correct AnswerverifiedShow Answer

Which of the following consists of organisms, all of which share a common gene pool?

Correct AnswerverifiedShow Answer

Correct Answer
verified
The sketch should resemble Figure 53-8. ...
View Answer

Correct Answer
verified

Correct Answer
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Correct Answer
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Figure 53-2 On the accompanying figure, identify the point that indicates the carrying capacity for this population.

Correct Answer
verified

Correct Answer
verified

Correct Answer
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Figure 53-5 Refer to the accompanying figure. A population that produces a large number of offspring, but the offspring must survive independently, would be represented by the curve labeled:

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Figure 53-1 The equation that would best describe the curve in the accompanying figure is:

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
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Figure 53-3 According to the data in the accompanying figure, the cause of the decline of the wolf population in 1982 was:

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Correct Answer
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