Question 1

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 2

The maximum population size that can be supported by its habitat is known as

Accepted Answer

A) maximum increase. 
B) carrying capacity. 
C) exponential growth. 
D) population balance. 
A) maximum increase. 
B) carrying capacity. 
C) exponential growth. 
D) population balance.

Question 3

Weather is a density-________ factor that can affect the size of a population.

Accepted Answer

The answer of Weather is a density-________ factor that can...

Question 4

The top of the "S" in an S-shaped curve indicates that the population

Accepted Answer

A) is on the verge of collapse. 
B) is experiencing abnormally heavy pressure from predators. 
C) has reached its carrying capacity. 
D) is poised for further exponential growth. 
A) is on the verge of collapse. 
B) is experiencing abnormally heavy pressure from predators. 
C) has reached its carrying capacity. 
D) is poised for further exponential growth.

Question 5

Match each term to a statement listed below.
-number of individuals within a population per unit of area

Accepted Answer

A) population size 
B) population density 
C) carrying capacity 
D) logistic growth 
E) exponential growth 
A) population size 
B) population density 
C) carrying capacity 
D) logistic growth 
E) exponential growth

Question 6

Match each term to a statement listed below.
-the maximum sustainable population size in a given environment

Accepted Answer

A) population size 
B) population density 
C) carrying capacity 
D) logistic growth 
E) exponential growth 
A) population size 
B) population density 
C) carrying capacity 
D) logistic growth 
E) exponential growth

Question 7

A population of 100 individuals is undergoing exponential growth with a constant growth rate of 0.2 per year. What size will this population be in 2 years?

Accepted Answer

A) 100 
B) 120 
C) 144 
D) 200 
A) 100 
B) 120 
C) 144 
D) 200

Question 8

The decrease in the availability of food or cover that accompanies increasing population size illustrates the concept of a(n)

Accepted Answer

A) density-dependent factor. 
B) density-independent factor. 
C) exponential growth factor. 
D) logistic growth factor. 
A) density-dependent factor. 
B) density-independent factor. 
C) exponential growth factor. 
D) logistic growth factor.

Question 9

The term population density describes the

Accepted Answer

A) body size of different species. 
B) number of individuals per unit area. 
C) number of populations per unit area. 
D) number of species per unit area. 
A) body size of different species. 
B) number of individuals per unit area. 
C) number of populations per unit area. 
D) number of species per unit area.

Question 10

Predation increases are responsible for density-________ changes in population size.

Accepted Answer

The answer of Predation increases are responsible for density-________ changes...

Question 11

The size of a population can be decreased by

Accepted Answer

A) a higher birth rate. 
B) immigration. 
C) emigration. 
D) a reduced death rate. 
A) a higher birth rate. 
B) immigration. 
C) emigration. 
D) a reduced death rate.

Question 12

Describe one negative consequence that has been linked to China's one-child policy, and explain how this consequence is impacting China.

Accepted Answer

Two impacts are a skewed sex ratio and a

Question 13

China's population ________ is 137 people per square kilometer.

Accepted Answer

The answer of China's population ________ is 137 people per...

Question 14

A new species is introduced into a given area. The population size begins to grow slowly, then at a very rapid rate, and finally levels off at a stable number. This growth pattern is best represented by a(n)

Accepted Answer

A) oscillating cycle. 
B) J-shaped population curve. 
C) C-shaped population curve. 
D) S-shaped population curve. 
A) oscillating cycle. 
B) J-shaped population curve. 
C) C-shaped population curve. 
D) S-shaped population curve.

Question 15

Which of the following choices best explains why some introduced species experience an initial period of exponential growth when they first move from their native habitat into a new habitat?

Accepted Answer

A) They do not yet have any natural predators in their new habitat. 
B) Most introduced species show better survival in new habitats than in their old ones. 
C) Because most native species display exponential growth, many introduced species will do so also. 
D) Native species always leave open habitat types that a new species can inhabit. 
A) They do not yet have any natural predators in their new habitat. 
B) Most introduced species show better survival in new habitats than in their old ones. 
C) Because most native species display exponential growth, many introduced species will do so also. 
D) Native species always leave open habitat types that a new species can inhabit.

Question 16

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 17

China's one-child policy was designed to reduce the population ________ in China.

Accepted Answer

The answer of China's one-child policy was designed to reduce...

Question 18

Which of the following has been amplified by China's one-child policy?

Accepted Answer

A) an unbalanced age ratio with a growing population of younger people and a shrinking elderly population 
B) an increase in the number of primary-school students in rural areas of China 
C) a larger proportion of males compared to the proportion of females born in China annually 
D) an increase in the number of children born annually to couples in which one parent is an only child 
A) an unbalanced age ratio with a growing population of younger people and a shrinking elderly population 
B) an increase in the number of primary-school students in rural areas of China 
C) a larger proportion of males compared to the proportion of females born in China annually 
D) an increase in the number of children born annually to couples in which one parent is an only child

Question 19

For most populations, irregular fluctuations in size or density

Accepted Answer

A) are less commonly experienced than the smooth J-shaped growth curve. 
B) occur commonly before carrying capacity is reached. 
C) are more common than the smooth J-shaped growth curve. 
D) occur only when density-independent factors dominate. 
A) are less commonly experienced than the smooth J-shaped growth curve. 
B) occur commonly before carrying capacity is reached. 
C) are more common than the smooth J-shaped growth curve. 
D) occur only when density-independent factors dominate.

Question 20

At room temperature, a population of dangerous bacteria on a piece of raw chicken increases from 100,000 to 400,000 in 40 minutes. Its doubling time is ________ minutes.

Accepted Answer

The answer of At room temperature, a population of dangerous...

Exam 16: Growth of Populations

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

The maximum population size that can be supported by its habitat is known as

Weather is a density-________ factor that can affect the size of a population.

The top of the "S" in an S-shaped curve indicates that the population

Match each term to a statement listed below. -number of individuals within a population per unit of area

Match each term to a statement listed below. -the maximum sustainable population size in a given environment

A population of 100 individuals is undergoing exponential growth with a constant growth rate of 0.2 per year. What size will this population be in 2 years?

The decrease in the availability of food or cover that accompanies increasing population size illustrates the concept of a(n)

The term population density describes the

Predation increases are responsible for density-________ changes in population size.

The size of a population can be decreased by

Describe one negative consequence that has been linked to China's one-child policy, and explain how this consequence is impacting China.

China's population ________ is 137 people per square kilometer.

A new species is introduced into a given area. The population size begins to grow slowly, then at a very rapid rate, and finally levels off at a stable number. This growth pattern is best represented by a(n)

Which of the following choices best explains why some introduced species experience an initial period of exponential growth when they first move from their native habitat into a new habitat?

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

China's one-child policy was designed to reduce the population ________ in China.

Which of the following has been amplified by China's one-child policy?

For most populations, irregular fluctuations in size or density

At room temperature, a population of dangerous bacteria on a piece of raw chicken increases from 100,000 to 400,000 in 40 minutes. Its doubling time is ________ minutes.

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

Homeostasis, Reproduction, and Development

Digestive, Muscular, and Skeletal Systems

Circulatory, Respiratory, Urinary, and Nervous Systems

Endocrine and Immune Systems

Plant Physiology

Applying the Science

Filters