Question 1

Why have human growth rates increased the most in developing countries in the past 50 years?

Accepted Answer

A)  Death rates have fallen more slowly than birth rates. 
B)  Death rates have gone up faster than birth rates. 
C)  Death rates have fallen faster than birth rates. 
D)  Death rates have gone up more slowly than birth rates. 
E)  Death rates have remained the same and birth rates have decreased. 
A)  Death rates have fallen more slowly than birth rates. 
B)  Death rates have gone up faster than birth rates. 
C)  Death rates have fallen faster than birth rates. 
D)  Death rates have gone up more slowly than birth rates. 
E)  Death rates have remained the same and birth rates have decreased. C

Question 2

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. 
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. C

Question 3

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)  The birth rate is decreasing. 
C)  Its land availability is increasing. 
D)  Its population and land area are increasing. 
E)  Its birth rate is decreasing and its land area is increasing. 
A)  Its population is increasing. 
B)  The birth rate is decreasing. 
C)  Its land availability is increasing. 
D)  Its population and land area are increasing. 
E)  Its birth rate is decreasing and its land area is increasing. A

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

Water accounts for about half of the ecological footprint.

Accepted Answer

A) True 
 B)False

Question 6

The study of the relationships among organisms and the environment is

Accepted Answer

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

Question 7

Based on the information provided,which of these would not be considered a species with an equilibrium life history?

Accepted Answer

A)  Elephants have 1 calf every 3 years. 
B)  Dolphins provide extensive care for their offspring. 
C)  Humans have a late maturity age of approximately 14 years. 
D)  Spiders lay egg sacks and do not return to care for their young. 
E)  Bears exhibit a type I survivorship curve. 
A)  Elephants have 1 calf every 3 years. 
B)  Dolphins provide extensive care for their offspring. 
C)  Humans have a late maturity age of approximately 14 years. 
D)  Spiders lay egg sacks and do not return to care for their young. 
E)  Bears exhibit a type I survivorship curve.

Question 8

In the Investigating Life,researchers discovered that Mollies produced the most offspring in

Accepted Answer

A)  light, nontoxic water. 
B)  light, toxic water. 
C)  dark, nontoxic water. 
D)  dark, toxic water. 
E)  All answer choices are correct since the amount of light or toxins didn't affect the number of offspring. 
A)  light, nontoxic water. 
B)  light, toxic water. 
C)  dark, nontoxic water. 
D)  dark, toxic water. 
E)  All answer choices are correct since the amount of light or toxins didn't affect the number of offspring.

Question 9

Predation of deer by wolves is an example of a

Accepted Answer

A)  density-independent limit. 
B)  density-codependent limit. 
C)  density-dependent limit. 
D)  death-dependent factor. 
E)  death-independent factor. 
A)  density-independent limit. 
B)  density-codependent limit. 
C)  density-dependent limit. 
D)  death-dependent factor. 
E)  death-independent factor.

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.What was the growth rate of India's population?

Accepted Answer

A)  0.027 
B)  0.013 
C)  0.014 
D)  0.040 
E)  0.001 
A)  0.027 
B)  0.013 
C)  0.014 
D)  0.040 
E)  0.001

Question 11

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. 
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.

Question 12

Which is an example of an aquatic ecosystem?

Accepted Answer

A)  fishes, snails, crabs, water, and salinity 
B)  fishes, snails, and crabs only 
C)  both water and salinity 
D)  water only 
E)  salinity only 
A)  fishes, snails, crabs, water, and salinity 
B)  fishes, snails, and crabs only 
C)  both water and salinity 
D)  water only 
E)  salinity only

Question 13

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. 
A)  density dispersion. 
B)  carrying capacity. 
C)  growth capacity. 
D)  environmental load. 
E)  dispersion capacity.

Question 14

Oysters and many other mollusks produce many offspring of which only a few survive to adulthood and then have little risk of predation with their strong adult shells.Oysters are an example of an organism with a type ________ survivorship curve.

Accepted Answer

A)  0 
B)  I 
C)  II 
D)  III 
E)  IV 
A)  0 
B)  I 
C)  II 
D)  III 
E)  IV

Question 15

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 16

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

Accepted Answer

A) True 
 B)False

Question 17

A population age structure diagram depicting an equal number of individuals in each age group suggests that the population is

Accepted Answer

A)  stable. 
B)  growing. 
C)  declining. 
D)  facing extinction. 
E)  very small. 
A)  stable. 
B)  growing. 
C)  declining. 
D)  facing extinction. 
E)  very small.

Question 18

Source: Data from U.S. Census Bureau, International Data Base
-Based upon the age structure diagram,you expect the Indian population to

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 postreproductive 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. 
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 postreproductive 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.

Question 19

The number of new individuals produced per unit time in a population is its

Accepted Answer

A)  immigration rate. 
B)  emigration rate. 
C)  death rate. 
D)  birth rate. 
E)  expatriation rate. 
A)  immigration rate. 
B)  emigration rate. 
C)  death rate. 
D)  birth rate. 
E)  expatriation rate.

Question 20

Conditions whose growth-limiting effects increase as a population grows are density-independent factors.

Accepted Answer

A) True 
 B)False

Exam 18: Populations

Why have human growth rates increased the most in developing countries in the past 50 years?

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

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?

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

Water accounts for about half of the ecological footprint.

The study of the relationships among organisms and the environment is

Based on the information provided,which of these would not be considered a species with an equilibrium life history?

In the Investigating Life,researchers discovered that Mollies produced the most offspring in

Predation of deer by wolves is an example of a

In 2010,India had a population of 1,170,000,000,a birth rate of 0.027,and a death rate of 0.013.What was the growth rate of India's population?

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

Which is an example of an aquatic ecosystem?

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

Oysters and many other mollusks produce many offspring of which only a few survive to adulthood and then have little risk of predation with their strong adult shells.Oysters are an example of an organism with a type ________ survivorship curve.

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

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

A population age structure diagram depicting an equal number of individuals in each age group suggests that the population is

Source: Data from U.S. Census Bureau, International Data Base -Based upon the age structure diagram,you expect the Indian population to

The number of new individuals produced per unit time in a population is its

Conditions whose growth-limiting effects increase as a population grows are density-independent factors.

The Scientific Study of Life

The Chemistry of Life

Cells

The Energy of Life

Photosynthesis

Respiration and Fermentation

DNA Structure and Gene Function

DNA Replication,Binary Fission,and Mitosis

Sexual Reproduction and Meiosis

Patterns of Inheritance

DNA Technology

Forces of Evolutionary Change

Evidence of Evolution

Speciation and Extinction

Evolution and Diversity of Microbial Life

Evolution and Diversity of Plants

Evolution and Diversity of Animals

Communities and Ecosystems

Preserving Biodiversity

Plant Form and Function

Reproduction and Development of Flowering Plants

Animal Tissues and Organ Systems

The Nervous System and the Senses

The Endocrine System

The Skeletal and Muscular Systems

The Circulatory and Respiratory Systems

The Digestive and Urinary Systems

The Immune System

Animal Reproduction and Development

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