Question 1

In a bacterial growth curve,the population follows a typical growth curve until

Accepted Answer

A) waste products become lethal. 
B) raw materials are depleted. 
C) they encounter a lag phase. 
D) there is predation. 
A) waste products become lethal. 
B) raw materials are depleted. 
C) they encounter a lag phase. 
D) there is predation. A

Question 2

Population growth is determined by the combined effects of birthrate and death rate.

Accepted Answer

A) True 
 B)False  True

Question 3

Which of the following best matches the description?
-Movement out of an area that was once one's place of residence.

Accepted Answer

A) stable equilibrium phase 
B) exponential growth phase 
C) biotic potential 
D) carrying capacity 
E) r-strategist
F)lag phase
G)K-strategist
H)environmental resistance
I)none of above
J)population density
K)density-dependent limiting factor
L)death phase
M)density-independent factor
N)dispersal
O)age distribution
P)emigration
Q)immigration 
A) stable equilibrium phase 
B) exponential growth phase 
C) biotic potential 
D) carrying capacity 
E) r-strategist
F)lag phase
G)K-strategist
H)environmental resistance
I)none of above
J)population density
K)density-dependent limiting factor
L)death phase
M)density-independent factor
N)dispersal
O)age distribution
P)emigration
Q)immigration P

Question 4

The rate of human population growth has led to political unrest in response to unequal access to resources.

Accepted Answer

A) True 
 B)False

Question 5

Deer invest a great deal of energy in a few offspring that have a good chance of living to reproduce.They are said to be

Accepted Answer

A) density-independent. 
B) K-strategists. 
C) replacement fertile. 
D) r-strategists. 
A) density-independent. 
B) K-strategists. 
C) replacement fertile. 
D) r-strategists.

Question 6

Which phase of a population growth curve is characterized by a slowing of population growth as the carrying capacity is being reached?

Accepted Answer

A) lag phase 
B) exponential phase 
C) deceleration phase 
D) stable equilibrium phase 
A) lag phase 
B) exponential phase 
C) deceleration phase 
D) stable equilibrium phase

Question 7

On a population growth curve,the ________ phase results in a rapid increase in the size of the population.

Accepted Answer

A) lag 
B) deceleration 
C) stable equilibrium 
D) exponential growth 
A) lag 
B) deceleration 
C) stable equilibrium 
D) exponential growth

Question 8

The factors that prevent unlimited population growth are known as limiting factors.

Accepted Answer

A) True 
 B)False

Question 9

Predation and parasitism are important in determining population size.

Accepted Answer

A) True 
 B)False

Question 10

Which of the following is NOT an environmental factor limiting population size?

Accepted Answer

A) disease 
B) predation 
C) biotic potential 
D) space 
A) disease 
B) predation 
C) biotic potential 
D) space

Question 11

Which condition is necessary for a population to grow?

Accepted Answer

A) Stabilization must occur. 
B) Mortality must exceed natality. 
C) Birthrate must exceed death rate. 
D) Carrying capacity must occur. 
A) Stabilization must occur. 
B) Mortality must exceed natality. 
C) Birthrate must exceed death rate. 
D) Carrying capacity must occur.

Question 12

The use of weed killers has removed a limiting factor to the size of populations of crop plants.

Accepted Answer

A) True 
 B)False

Question 13

Which one of the following statements about population growth is correct?

Accepted Answer

A) Dispersal increases the rate at which a population grows. 
B) The number of males in the population is more important than the number of females. 
C) The number of offspring produced per female is very important. 
D) A high percentage of young individuals in a population we result in slow population growth. 
A) Dispersal increases the rate at which a population grows. 
B) The number of males in the population is more important than the number of females. 
C) The number of offspring produced per female is very important. 
D) A high percentage of young individuals in a population we result in slow population growth.

Question 14

Which of the following best matches the description?
-Limiting factors that become more severe as the size of the population increases.

Accepted Answer

A) stable equilibrium phase 
B) exponential growth phase 
C) biotic potential 
D) carrying capacity 
E) r-strategist
F)lag phase
G)K-strategist
H)environmental resistance
I)none of above
J)population density
K)density-dependent limiting factor
L)death phase
M)density-independent factor
N)dispersal
O)age distribution
P)emigration
Q)immigration 
A) stable equilibrium phase 
B) exponential growth phase 
C) biotic potential 
D) carrying capacity 
E) r-strategist
F)lag phase
G)K-strategist
H)environmental resistance
I)none of above
J)population density
K)density-dependent limiting factor
L)death phase
M)density-independent factor
N)dispersal
O)age distribution
P)emigration
Q)immigration

Question 15

The need of people in poor countries to produce food

Accepted Answer

A) would be improved if more people became farmers. 
B) causes people to convert more land to agriculture. 
C) would be improved if people changed the kind of food they eat. 
D) None of the statements is correct. 
A) would be improved if more people became farmers. 
B) causes people to convert more land to agriculture. 
C) would be improved if people changed the kind of food they eat. 
D) None of the statements is correct.

Question 16

Which of the following best matches the description?
-Organisms that enter a population from elsewhere are involved in

Accepted Answer

A) stable equilibrium phase. 
B) exponential growth phase. 
C) biotic potential. 
D) carrying capacity. 
E) r-strategist.
F)lag phase.
G)K-strategist.
H)environmental resistance.
I)none of above
J)population density.
K)density-dependent limiting factor.
L)death phase.
M)density-independent factor.
N)dispersal.
O)age distribution.
P)emigration.
Q)immigration. 
A) stable equilibrium phase. 
B) exponential growth phase. 
C) biotic potential. 
D) carrying capacity. 
E) r-strategist.
F)lag phase.
G)K-strategist.
H)environmental resistance.
I)none of above
J)population density.
K)density-dependent limiting factor.
L)death phase.
M)density-independent factor.
N)dispersal.
O)age distribution.
P)emigration.
Q)immigration.

Question 17

Which of the following statements are true? Check all that apply.

Accepted Answer

A) The terms species and population are interrelated. 
B) A species is the largest possible population of a particular kind of organism. 
C) A population includes all organisms in a specific place. 
D) The term population is often used to refer to portions of a species by specifying a space and time. 
A) The terms species and population are interrelated. 
B) A species is the largest possible population of a particular kind of organism. 
C) A population includes all organisms in a specific place. 
D) The term population is often used to refer to portions of a species by specifying a space and time.

Question 18

The demographic dividend for developing countries typically involves all the following EXCEPT

Accepted Answer

A) improvements in public health. 
B) reduced numbers of births. 
C) women enter work force. 
D) children make up a larger portion of the population. 
A) improvements in public health. 
B) reduced numbers of births. 
C) women enter work force. 
D) children make up a larger portion of the population.

Question 19

Most organisms have a biotic potential much greater than that needed to replace dying organisms.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following best matches the description?
-Period of population growth when the population increases at an ever-increasing rate.

Accepted Answer

A) stable equilibrium phase 
B) exponential growth phase 
C) biotic potential 
D) carrying capacity 
E) r-strategist
F)lag phase
G)K-strategist
H)environmental resistance
I)none of above
J)population density
K)density-dependent limiting factor
L)death phase
M)density-independent factor
N)dispersal
O)age distribution
P)emigration
Q)immigration 
A) stable equilibrium phase 
B) exponential growth phase 
C) biotic potential 
D) carrying capacity 
E) r-strategist
F)lag phase
G)K-strategist
H)environmental resistance
I)none of above
J)population density
K)density-dependent limiting factor
L)death phase
M)density-independent factor
N)dispersal
O)age distribution
P)emigration
Q)immigration

In a bacterial growth curve,the population follows a typical growth curve until

Population growth is determined by the combined effects of birthrate and death rate.

Which of the following best matches the description? -Movement out of an area that was once one's place of residence.

The rate of human population growth has led to political unrest in response to unequal access to resources.

Deer invest a great deal of energy in a few offspring that have a good chance of living to reproduce.They are said to be

Which phase of a population growth curve is characterized by a slowing of population growth as the carrying capacity is being reached?

On a population growth curve,the ________ phase results in a rapid increase in the size of the population.

The factors that prevent unlimited population growth are known as limiting factors.

Predation and parasitism are important in determining population size.

Which of the following is NOT an environmental factor limiting population size?

Which condition is necessary for a population to grow?

The use of weed killers has removed a limiting factor to the size of populations of crop plants.

Which one of the following statements about population growth is correct?

Which of the following best matches the description? -Limiting factors that become more severe as the size of the population increases.

The need of people in poor countries to produce food

Which of the following best matches the description? -Organisms that enter a population from elsewhere are involved in

Which of the following statements are true? Check all that apply.

The demographic dividend for developing countries typically involves all the following EXCEPT

Most organisms have a biotic potential much greater than that needed to replace dying organisms.

Which of the following best matches the description? -Period of population growth when the population increases at an ever-increasing rate.

Environmental Interrelationships

Environmental Ethics

Risk,economics,and Environmental Concerns

Interrelated Scientific Principles

Interactions: Environments and Organisms

Kinds of Ecosystems and Communities

Energy and Civilization: Patterns of Consumption

Nonrenewable Energy Sources

Renewable Energy Sources

Biodiversity

Land-Use

Soil

Agricultural Methods

Water

Air Quality Issues

Climate Change: a 21st Century Issue

Solid Waste Management and Disposal

Environmental Regulations: Hazardous Substances and Wastes

Environmental Policy

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Exam 7: Populations: Characteristics and Issues

In a bacterial growth curve,the population follows a typical growth curve until

Population growth is determined by the combined effects of birthrate and death rate.

Which of the following best matches the description? -Movement out of an area that was once one's place of residence.

The rate of human population growth has led to political unrest in response to unequal access to resources.

Deer invest a great deal of energy in a few offspring that have a good chance of living to reproduce.They are said to be

Which phase of a population growth curve is characterized by a slowing of population growth as the carrying capacity is being reached?

On a population growth curve,the ________ phase results in a rapid increase in the size of the population.

The factors that prevent unlimited population growth are known as limiting factors.

Predation and parasitism are important in determining population size.

Which of the following is NOT an environmental factor limiting population size?

Which condition is necessary for a population to grow?

The use of weed killers has removed a limiting factor to the size of populations of crop plants.

Which one of the following statements about population growth is correct?

Which of the following best matches the description? -Limiting factors that become more severe as the size of the population increases.

The need of people in poor countries to produce food

Which of the following best matches the description? -Organisms that enter a population from elsewhere are involved in

Which of the following statements are true? Check all that apply.

The demographic dividend for developing countries typically involves all the following EXCEPT

Most organisms have a biotic potential much greater than that needed to replace dying organisms.

Which of the following best matches the description? -Period of population growth when the population increases at an ever-increasing rate.

Environmental Interrelationships

Environmental Ethics

Risk,economics,and Environmental Concerns

Interrelated Scientific Principles

Interactions: Environments and Organisms

Kinds of Ecosystems and Communities

Energy and Civilization: Patterns of Consumption

Nonrenewable Energy Sources

Renewable Energy Sources

Biodiversity

Land-Use

Soil

Agricultural Methods

Water

Air Quality Issues

Climate Change: a 21st Century Issue

Solid Waste Management and Disposal

Environmental Regulations: Hazardous Substances and Wastes

Environmental Policy

Filters