Question 1

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 C

Question 2

Which of the following statements accurately describes information shown in this figure?

Accepted Answer

A) The population size in China is over 400 million people. 
B) The population size in China has increased most quickly in eastern China. 
C) The population density is highest in western China. 
D) The population density is highest along the eastern coast of China. 
A) The population size in China is over 400 million people. 
B) The population size in China has increased most quickly in eastern China. 
C) The population density is highest in western China. 
D) The population density is highest along the eastern coast of China. D

Question 3

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. C

Question 4

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 bacteria...

Question 5

According to the figure shown,human populations are projected to reach carrying capacity in approximately ________ years.

Accepted Answer

A) 15 
B) 35 
C) 75 
D) 85 
A) 15 
B) 35 
C) 75 
D) 85

Question 6

Match each term to a statement listed below.
-total number of individuals in a population within a given 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 7

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 8

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 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

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 11

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 12

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 13

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 14

In November 2013,the one-child policy was officially relaxed to allow a second birth to some couples.Which of the following couples are now allowed a second birth?

Accepted Answer

A) couples in which one parent is an only child 
B) couples in which both parents are only children 
C) couples in which one parent is an orphan 
D) couples in which both parents are orphans 
A) couples in which one parent is an only child 
B) couples in which both parents are only children 
C) couples in which one parent is an orphan 
D) couples in which both parents are orphans

Question 15

Population size ________ when the combination of death and emigration rates is lower than the combination of birth and immigration rates.

Accepted Answer

The answer of Population size ________ when the combination of...

Question 16

According to the figure shown,human populations began to experience exponential growth around

Accepted Answer

A) 160,000 BCE 
B) 1800 
C) 1945 
D) 2005 
A) 160,000 BCE 
B) 1800 
C) 1945 
D) 2005

Question 17

Studies of the population-size cycles seen between the snowshoe hare and the Canadian lynx showed that

Accepted Answer

A) lynx populations decrease in size when hare populations increase in size. 
B) lynx populations increase in size when hare populations decrease in size. 
C) lynx populations decrease in size when hare populations decrease in size. 
D) There is no relationship between population sizes of snowshoe hare and Canadian lynx. 
A) lynx populations decrease in size when hare populations increase in size. 
B) lynx populations increase in size when hare populations decrease in size. 
C) lynx populations decrease in size when hare populations decrease in size. 
D) There is no relationship between population sizes of snowshoe hare and Canadian lynx.

Question 18

This graph shows the growth of a population of Paramecium caudatum.The greatest amount of daily growth occurred when the population was at approximately ________ percent of its carrying capacity.

Accepted Answer

A) 10 
B) 25 
C) 50 
D) 100 
A) 10 
B) 25 
C) 50 
D) 100

Question 19

A population is counted at 100 individuals in 1998.In 2006,a new count found 1,600 individuals.What is the doubling time for the population?

Accepted Answer

A) 0.5 year 
B) 1 year 
C) 1.5 years 
D) 2 years 
A) 0.5 year 
B) 1 year 
C) 1.5 years 
D) 2 years

Question 20

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.

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

Which of the following statements accurately describes information shown in this figure?

The size of a population can be decreased by

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.

According to the figure shown,human populations are projected to reach carrying capacity in approximately ________ years.

Match each term to a statement listed below. -total number of individuals in a population within a given area

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

For most populations,irregular fluctuations in size or density

The term population density describes the

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

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

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

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

In November 2013,the one-child policy was officially relaxed to allow a second birth to some couples.Which of the following couples are now allowed a second birth?

Population size ________ when the combination of death and emigration rates is lower than the combination of birth and immigration rates.

According to the figure shown,human populations began to experience exponential growth around

Studies of the population-size cycles seen between the snowshoe hare and the Canadian lynx showed that

This graph shows the growth of a population of Paramecium caudatum.The greatest amount of daily growth occurred when the population was at approximately ________ percent of its carrying capacity.

A population is counted at 100 individuals in 1998.In 2006,a new count found 1,600 individuals.What is the doubling time for the population?

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)

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Exam 16: Growth of Populations

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

Which of the following statements accurately describes information shown in this figure?

The size of a population can be decreased by

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.

According to the figure shown,human populations are projected to reach carrying capacity in approximately ________ years.

Match each term to a statement listed below. -total number of individuals in a population within a given area

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

For most populations,irregular fluctuations in size or density

The term population density describes the

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

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

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

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

In November 2013,the one-child policy was officially relaxed to allow a second birth to some couples.Which of the following couples are now allowed a second birth?

Population size ________ when the combination of death and emigration rates is lower than the combination of birth and immigration rates.

According to the figure shown,human populations began to experience exponential growth around

Studies of the population-size cycles seen between the snowshoe hare and the Canadian lynx showed that

This graph shows the growth of a population of Paramecium caudatum.The greatest amount of daily growth occurred when the population was at approximately ________ percent of its carrying capacity.

A population is counted at 100 individuals in 1998.In 2006,a new count found 1,600 individuals.What is the doubling time for the population?

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)

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