Question 1

Which of the following organisms is an example of an equilibrium species?

Accepted Answer

A)  cats
B)  rats
C)  spiders
D)  whales
E)  goldfishF) A) and E)
G) A) and D)

Question 2

When exponential growth is plotted over time a J-shaped curve emerges.

Accepted Answer

A) True 
 B)False

Question 3

A human population with a large percentage of post-reproductive individuals is common in

Accepted Answer

A)  less-developed countries and will most likely increase in size.
B)  more-developed countries and will most likely increase in size.
C)  more-developed countries and will most likely decrease in size.
D)  less-developed countries and will most likely decrease in size.
E)  No answer is correct.F) B) and D)
G) A) and D)

Question 4

A country's ecological footprint can be calculated by multiplying its population size by the footprint of each individual.Why are some ecologists concerned about the ecological footprint of a country like India?

Accepted Answer

A)  Its population is increasing.
B)  Its standard of living is increasing.
C)  Both its population and standard of living are increasing.
D)  Its population and land area are increasing.
E)  Its standard of living and land area are increasing.F) All of the above
G) B) and D)

Question 5

In a survivorship curve,a type III species,like most insects and plants,is a species that has

Accepted Answer

A)  an equal probability of dying at any age.
B)  a strong possibility of becoming extinct in a relatively short period of time.
C)  the highest probability of dying at a very young age.
D)  the highest probability of dying as it reaches its maximum life span.
E)  an extremely long life span.F) A) and B)
G) C) and D)

Question 6

In regards to a species' life history,equilibrium species

Accepted Answer

A)  have only a few offspring.
B)  are short-lived.
C)  reproduce at an early age.
D)  have a large number of offspring.
E)  give very little care to their offspring.F) A) and B)
G) C) and D)

Question 7

If a species of fruit fly needs a minimum amount of leaf surface area for mating,once there are enough fruit flies to occupy all mating spaces,the population is at carrying capacity.

Accepted Answer

A) True 
 B)False

Question 8

The study of the relationships among organisms and the environment is

Accepted Answer

A)  ethology.
B)  habitology.
C)  ergonomics.
D)  ecology.
E)  geology.F) A) and E)
G) D) and E)

Question 9

If a scientist sees 20 finches in 3 trees where they nest at 5 PM,the population density is 4.

Accepted Answer

A) True 
 B)False

Question 10

In 2010,India had a population of 1,170,000,000,a birth rate of 0.027,and a death rate of 0.013.Approximately how much did the Indian population grow in 2010?

Accepted Answer

A)  170,000,000
B)  1,700,000
C)  170,000
D)  17,000,000
E)  17,000F) A) and E)
G) B) and D)

Question 11

Ecologists study

Accepted Answer

A)  prokaryotes only.
B)  eukaryotes only.
C)  interactions between all organisms.
D)  plants and animals only.
E)  animals only.F) None of the above
G) A) and B)

Question 12

Based upon the age structure diagram,you expect the Chinese population to13_QC_42798

Accepted Answer

A)  grow because all of the age classes have roughly equal proportions of people.
B)  grow then shrink because many of the people will be entering the post-reproductive years.
C)  grow because a large proportion of the population will be entering the reproductive years.
D)  grow then decline because a lower proportion of individuals are in prereproductive age classes.
E)  No answer is correct.F) B) and D)
G) All of the above

Question 13

Whic best describes the link between survivorship curves and equilibrium species?

Accepted Answer

A)  Equilibrium species are limited by density-independent factors and have few offspring.
B)  Equilibrium species are limited by density-dependent factors and have many offspring.
C)  Equilibrium species are limited by density-dependent factors and have few offspring.
D)  Equilibrium species are limited by density-independent factors and have many offspring.E) None of the above
F) A) and B)

Question 14

Why are the leading causes of human death in high-income countries heart disease,stroke,and cancer,while in low-income countries infectious diseases are the leading causes of death?

Accepted Answer

A)  High-income countries have sedentary life habits,excess food resources,and longer life expectancies.
B)  High-income countries have larger ecological footprints.
C)  High-income countries have larger population densities only.
D)  High-income countries have larger population densities and are usually clustereD.
E)  Genetic differences between populations causes the differences.F) B) and C)
G) All of the above

Question 15

The maximum number of individuals that a habitat can support indefinitely is the habitat's

Accepted Answer

A)  density dispersion.
B)  carrying capacity.
C)  growth capacity.
D)  environmental loaD.
E)  dispersion capacity.F) C) and E)
G) C) and D)

Question 16

When exponential growth is plotted over time an S-shaped curve emerges.

Accepted Answer

A) True 
 B)False

Question 17

A density-independent factor is one that affects population without regard to the number of individuals per area.

Accepted Answer

A) True 
 B)False

Question 18

The maximum number of individuals of a population that a habitat can support indefinitely is its carrying capacity.

Accepted Answer

A) True 
 B)False

Question 19

In regards to a species' life history,opportunistic species

Accepted Answer

A)  are long-lived.
B)  provide extensive care for their offspring.
C)  are limited primarily by carrying capacity.
D)  reproduce later in life.
E)  produce many offspring.F) C) and E)
G) A) and B)

Question 20

Based upon the age structure diagram,you expect the Indian population to_20_2013_QC_42798

Accepted Answer

A)  grow because all of the age classes have roughly equal proportions of people.
B)  grow then shrink because many of the people will be entering the post-reproductive years.
C)  grow because a large proportion of the population will be entering the reproductive years.
D)  grow then decline because a lower proportion of individuals are in prereproductive age classes.
E)  No answer is correct.F) C) and E)
G) C) and D)

Exam 18: Populations

Based upon the age structure diagram,you expect the Chinese population to13_QC_42798

Correct AnswerverifiedShow Answer

In 2010,India had a population of 1,170,000,000,a birth rate of 0.027,and a death rate of 0.013.Approximately how much did the Indian population grow in 2010?

Correct AnswerverifiedShow Answer

A density-independent factor is one that affects population without regard to the number of individuals per area.

Correct AnswerverifiedShow Answer

Why are the leading causes of human death in high-income countries heart disease,stroke,and cancer,while in low-income countries infectious diseases are the leading causes of death?

Correct AnswerverifiedShow Answer

Whic best describes the link between survivorship curves and equilibrium species?

Correct AnswerverifiedShow Answer

If a species of fruit fly needs a minimum amount of leaf surface area for mating,once there are enough fruit flies to occupy all mating spaces,the population is at carrying capacity.

Correct AnswerverifiedShow Answer

The study of the relationships among organisms and the environment is

Correct AnswerverifiedShow Answer

The maximum number of individuals that a habitat can support indefinitely is the habitat's

Correct AnswerverifiedShow Answer

A country's ecological footprint can be calculated by multiplying its population size by the footprint of each individual.Why are some ecologists concerned about the ecological footprint of a country like India?

Correct AnswerverifiedShow Answer

The maximum number of individuals of a population that a habitat can support indefinitely is its carrying capacity.

Correct AnswerverifiedShow Answer

If a scientist sees 20 finches in 3 trees where they nest at 5 PM,the population density is 4.

Correct AnswerverifiedShow Answer

Which of the following organisms is an example of an equilibrium species?

Correct AnswerverifiedShow Answer

In a survivorship curve,a type III species,like most insects and plants,is a species that has

Correct AnswerverifiedShow Answer

In regards to a species' life history,opportunistic species

Correct AnswerverifiedShow Answer

In regards to a species' life history,equilibrium species

Correct AnswerverifiedShow Answer

A human population with a large percentage of post-reproductive individuals is common in

Correct AnswerverifiedShow Answer

When exponential growth is plotted over time an S-shaped curve emerges.

Correct AnswerverifiedShow Answer

Based upon the age structure diagram,you expect the Indian population to_20_2013_QC_42798

Correct AnswerverifiedShow Answer

Ecologists study

Correct AnswerverifiedShow Answer

When exponential growth is plotted over time a J-shaped curve emerges.

Correct AnswerverifiedShow Answer

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