Question 1

When an isolated population reaches its carrying capacity

Accepted Answer

A) the birth rate > the death rate. B) the birth rate = the death rate. C) the birth rate < the death rate. D) It is not possible to generalize these values. A) the birth rate > the death rate. B) the birth rate = the death rate. C) the birth rate < the death rate. D) It is not possible to generalize these values.

Question 2

By imposing the one-child policy,China's government is attempting to manipulate which of the following factors?

Accepted Answer

A) death rate 
B) birth rate 
C) carrying capacity 
D) food supply 
A) death rate 
B) birth rate 
C) carrying capacity 
D) food supply

Question 3

Which of the following has NOT been shown to be a consequence of China's one-child policy?

Accepted Answer

A) an unbalanced age ratio with a growing elderly population and a much smaller working population 
B) a skewed sex ratio with a larger proportion of the population being male than female 
C) a dramatic decrease in the birth rate that began shortly after implementation of the one-child policy 
D) human-rights abuses,such as forced abortions 
A) an unbalanced age ratio with a growing elderly population and a much smaller working population 
B) a skewed sex ratio with a larger proportion of the population being male than female 
C) a dramatic decrease in the birth rate that began shortly after implementation of the one-child policy 
D) human-rights abuses,such as forced abortions

Question 4

Why is the March 2013 merger of the National Population and Family Planning Commission and the Ministry of Health considered significant?

Accepted Answer

A) The merger allowed documents recording births to be housed within a single agency. 
B) The merger signified that births were being restricted primarily for health reasons. 
C) The merger was a concession to demands from rural workers. 
D) The merger was a sign of demotion for the National Population and Family Planning Commission. 
A) The merger allowed documents recording births to be housed within a single agency. 
B) The merger signified that births were being restricted primarily for health reasons. 
C) The merger was a concession to demands from rural workers. 
D) The merger was a sign of demotion for the National Population and Family Planning Commission.

Question 5

Use a specific example to explain how population density may change for people living in one country without any change in population size.

Accepted Answer

Population density is the number of indi

Question 6

Which of the following is a true statement?

Accepted Answer

A) The population density is equal across all areas of China. 
B) China has the largest human population in the world. 
C) China's one-child policy allows one birth per couple every ten years. 
D) Chinese citizens are allowed to apply for a waiver if they want multiple children. 
A) The population density is equal across all areas of China. 
B) China has the largest human population in the world. 
C) China's one-child policy allows one birth per couple every ten years. 
D) Chinese citizens are allowed to apply for a waiver if they want multiple children.

Question 7

Which of the following statements about carrying capacity is true?

Accepted Answer

A) An S-shaped curve represents a population's ability to increase its numbers above the carrying capacity of its habitat. 
B) J-shaped curves show the immediate limiting effect of carrying capacity on a newly introduced organism. 
C) The carrying capacity is the same for all organisms in the same area. 
D) The carrying capacity is established by the factor with the most limited availability. 
A) An S-shaped curve represents a population's ability to increase its numbers above the carrying capacity of its habitat. 
B) J-shaped curves show the immediate limiting effect of carrying capacity on a newly introduced organism. 
C) The carrying capacity is the same for all organisms in the same area. 
D) The carrying capacity is established by the factor with the most limited availability.

Question 8

Which of the following would likely occur as a population reaches carrying capacity?

Accepted Answer

A) Density-independent deaths would increase. 
B) Density-dependent deaths would increase. 
C) Use of resources,such as food and space,would decrease. 
D) Birth rates would increase to maintain population size. 
A) Density-independent deaths would increase. 
B) Density-dependent deaths would increase. 
C) Use of resources,such as food and space,would decrease. 
D) Birth rates would increase to maintain population size.

Question 9

Explain why logistic growth curves have an "S" shape.

Accepted Answer

A logistic growth curve shows a steep in

Question 10

In the figure shown,the willow tree population leveled off at 475 trees and remained stable in the early 1980s.This most likely occurred because the

Accepted Answer

A) trees occupied all of the available space that willows were able to occupy. 
B) tree seedlings were shaded by the grasses shown in the illustration. 
C) population growth rate exceeded the death rate. 
D) trees depleted all of the nutrients in the soil and the trees could no longer grow. 
A) trees occupied all of the available space that willows were able to occupy. 
B) tree seedlings were shaded by the grasses shown in the illustration. 
C) population growth rate exceeded the death rate. 
D) trees depleted all of the nutrients in the soil and the trees could no longer grow.

Question 11

This figure shows that the human population was small and relatively stable for nearly 12,000 years but has increased dramatically in the past 200 years.How might this increase in population growth be explained?

Accepted Answer

A) Disease prevented any significant growth of the human population. 
B) For most of human history people were too malnourished to have children. 
C) People simply chose to have fewer children in the past than at present. 
D) Prior human populations were at existing carrying capacities but newly developed technologies have raised the carrying capacity and permitted the recent expansion. 
A) Disease prevented any significant growth of the human population. 
B) For most of human history people were too malnourished to have children. 
C) People simply chose to have fewer children in the past than at present. 
D) Prior human populations were at existing carrying capacities but newly developed technologies have raised the carrying capacity and permitted the recent expansion.

Question 12

In the absence of a one-child policy,which of the following would be expected to control population growth in a developed country?

Accepted Answer

A) declining resources 
B) declining mortality rates 
C) better access to healthcare 
D) educated women 
A) declining resources 
B) declining mortality rates 
C) better access to healthcare 
D) educated women

Question 13

Lynx feed on rabbits,and the growth curves for these two species fluctuate together.This relationship is an example of a(n)

Accepted Answer

A) S-shaped growth curve. 
B) J-shaped growth curve. 
C) irregular fluctuation. 
D) tightly linked cycle. 
A) S-shaped growth curve. 
B) J-shaped growth curve. 
C) irregular fluctuation. 
D) tightly linked cycle.

Question 14

The definition of an area,relative to a population study,

Accepted Answer

A) is constant. 
B) is always 1 square meter. 
C) depends on the questions being asked. 
D) depends on whether the area is terrestrial or aquatic. 
A) is constant. 
B) is always 1 square meter. 
C) depends on the questions being asked. 
D) depends on whether the area is terrestrial or aquatic.

Question 15

One measure of population growth is the period in which a population increases to twice its size.This is referred to as the ________ of the population.

Accepted Answer

The answer of One measure of population growth is the...

Question 16

Which of the following populations would be most vulnerable to an outbreak of disease?

Accepted Answer

A) 10 grasshoppers living in an area of 100 square meters 
B) 100 rabbits living in an area of 10,000 square meters 
C) 200 sparrows living in an area of 20,000 square meters 
D) 250,000 people living in an area of 100,000 square meters 
A) 10 grasshoppers living in an area of 100 square meters 
B) 100 rabbits living in an area of 10,000 square meters 
C) 200 sparrows living in an area of 20,000 square meters 
D) 250,000 people living in an area of 100,000 square meters

Question 17

Which of the following statements does NOT explain why population density is often difficult to measure?

Accepted Answer

A) Individuals may be difficult to detect within some habitats. 
B) The population size may be very large. 
C) An accurate count of the population size may not be available. 
D) Individuals may be moving between populations. 
A) Individuals may be difficult to detect within some habitats. 
B) The population size may be very large. 
C) An accurate count of the population size may not be available. 
D) Individuals may be moving between populations.

Question 18

Which of the following populations would be most likely to experience a J-shaped growth pattern?

Accepted Answer

A) all of the animals in the San Diego Zoo 
B) single-celled Paramecia without a constant food supply 
C) a founding colony of rats on a small island with abundant resources 
D) a beehive infected midsummer with a deadly bacterial disease 
A) all of the animals in the San Diego Zoo 
B) single-celled Paramecia without a constant food supply 
C) a founding colony of rats on a small island with abundant resources 
D) a beehive infected midsummer with a deadly bacterial disease

Question 19

Density-dependent factors are more likely to limit population growth when

Accepted Answer

A) there are more individuals living in the same amount of space. 
B) the population moves into a larger habitat. 
C) food is abundant. 
D) weather conditions become milder. 
A) there are more individuals living in the same amount of space. 
B) the population moves into a larger habitat. 
C) food is abundant. 
D) weather conditions become milder.

Question 20

In 1978,a drought on the Galapagos Islands caused a reduction in the production of seeds that one of Darwin's finches,a kind of bird,fed upon.This caused a decrease from 1,400 to 200 birds.This population change factor

Accepted Answer

A) would not be considered a part of the carrying capacity for these birds. 
B) was density-dependent. 
C) was density-independent. 
D) resulted in exponential growth for the bird population. 
A) would not be considered a part of the carrying capacity for these birds. 
B) was density-dependent. 
C) was density-independent. 
D) resulted in exponential growth for the bird population.

When an isolated population reaches its carrying capacity

By imposing the one-child policy,China's government is attempting to manipulate which of the following factors?

Which of the following has NOT been shown to be a consequence of China's one-child policy?

Why is the March 2013 merger of the National Population and Family Planning Commission and the Ministry of Health considered significant?

Use a specific example to explain how population density may change for people living in one country without any change in population size.

Which of the following is a true statement?

Which of the following statements about carrying capacity is true?

Which of the following would likely occur as a population reaches carrying capacity?

Explain why logistic growth curves have an "S" shape.

In the figure shown,the willow tree population leveled off at 475 trees and remained stable in the early 1980s.This most likely occurred because the

This figure shows that the human population was small and relatively stable for nearly 12,000 years but has increased dramatically in the past 200 years.How might this increase in population growth be explained?

In the absence of a one-child policy,which of the following would be expected to control population growth in a developed country?

Lynx feed on rabbits,and the growth curves for these two species fluctuate together.This relationship is an example of a(n)

The definition of an area,relative to a population study,

One measure of population growth is the period in which a population increases to twice its size.This is referred to as the ________ of the population.

Which of the following populations would be most vulnerable to an outbreak of disease?

Which of the following statements does NOT explain why population density is often difficult to measure?

Which of the following populations would be most likely to experience a J-shaped growth pattern?

Density-dependent factors are more likely to limit population growth when

In 1978,a drought on the Galapagos Islands caused a reduction in the production of seeds that one of Darwin's finches,a kind of bird,fed upon.This caused a decrease from 1,400 to 200 birds.This population change factor

The Nature of Science

Chemistry of Life

Life Is Cellular

How Cells Work

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

What Genes Are

How Genes Work

Evidence for Evolution

Mechanisms of Evolution

Adaptation and Species

The History of Life

Human Evolution

General Principles of Ecology

Communities of Organisms

Ecosystems

Applying the Science

Filters

Exam 16: Growth of Populations

When an isolated population reaches its carrying capacity

By imposing the one-child policy,China's government is attempting to manipulate which of the following factors?

Which of the following has NOT been shown to be a consequence of China's one-child policy?

Why is the March 2013 merger of the National Population and Family Planning Commission and the Ministry of Health considered significant?

Use a specific example to explain how population density may change for people living in one country without any change in population size.

Which of the following is a true statement?

Which of the following statements about carrying capacity is true?

Which of the following would likely occur as a population reaches carrying capacity?

Explain why logistic growth curves have an "S" shape.

In the figure shown,the willow tree population leveled off at 475 trees and remained stable in the early 1980s.This most likely occurred because the

This figure shows that the human population was small and relatively stable for nearly 12,000 years but has increased dramatically in the past 200 years.How might this increase in population growth be explained?

In the absence of a one-child policy,which of the following would be expected to control population growth in a developed country?

Lynx feed on rabbits,and the growth curves for these two species fluctuate together.This relationship is an example of a(n)

The definition of an area,relative to a population study,

One measure of population growth is the period in which a population increases to twice its size.This is referred to as the ________ of the population.

Which of the following populations would be most vulnerable to an outbreak of disease?

Which of the following statements does NOT explain why population density is often difficult to measure?

Which of the following populations would be most likely to experience a J-shaped growth pattern?

Density-dependent factors are more likely to limit population growth when

In 1978,a drought on the Galapagos Islands caused a reduction in the production of seeds that one of Darwin's finches,a kind of bird,fed upon.This caused a decrease from 1,400 to 200 birds.This population change factor

The Nature of Science

Chemistry of Life

Life Is Cellular

How Cells Work

Cell Division

Patterns of Inheritance

Chromosomes and Human Genetics

What Genes Are

How Genes Work

Evidence for Evolution

Mechanisms of Evolution

Adaptation and Species

The History of Life

Human Evolution

General Principles of Ecology

Communities of Organisms

Ecosystems

Applying the Science

Filters