Question 1

The value of r is measured when the population is small because

Accepted Answer

A)  it is easiest to measure at that time. 
B)  the generations are not yet overlapping. 
C)  the values of b and d change with the value of N. 
D)  all of the above 
E)  none of the above 
A)  it is easiest to measure at that time. 
B)  the generations are not yet overlapping. 
C)  the values of b and d change with the value of N. 
D)  all of the above 
E)  none of the above

Question 2

A population is defined as _____________________.

Accepted Answer

A group of individua

Question 3

A ________ is a physiologically distinct plant; a _____________ is a genetically distinct plant.

Accepted Answer

The answer of A ________ is a physiologically distinct plant;...

Question 4

Human populations continue to increase during industrialization because the death rate declines but the birth rate does not.

Accepted Answer

A) True 
 B)False

Question 5

A __________life table follows a group of individuals from birth to death; a _________ life table is based on a sample of individuals at one time.

Accepted Answer

The answer of A __________life table follows a group of...

Question 6

The sex ratio is always balanced by the age of reproduction.

Accepted Answer

A) True 
 B)False

Question 7

The fitness of an individual

Accepted Answer

A)  has no effect on population size. 
B)  may lead to a decrease in population size. 
C)  depends on population size. 
D)  is always different for males and females. 
E)  none of the above 
A)  has no effect on population size. 
B)  may lead to a decrease in population size. 
C)  depends on population size. 
D)  is always different for males and females. 
E)  none of the above

Question 8

In modular organisms,

Accepted Answer

A)  the meristem is suppressed. 
B)  growth occurs in repetitive fashion. 
C)  individuals are distinct. 
D)  individuals are unitary. 
E)  none of the above 
A)  the meristem is suppressed. 
B)  growth occurs in repetitive fashion. 
C)  individuals are distinct. 
D)  individuals are unitary. 
E)  none of the above

Question 9

All unitary organisms are monoecious.

Accepted Answer

A) True 
 B)False

Question 10

The Lincoln Index assumes that

Accepted Answer

A)  marked and umarked individuals die at different rates. 
B)  marked and unmarked individuals mix in the population. 
C)  marking individuals makes them more likely to be captured. 
D)  the population size changes between time 1 and time 2. 
E)  None of the above 
A)  marked and umarked individuals die at different rates. 
B)  marked and unmarked individuals mix in the population. 
C)  marking individuals makes them more likely to be captured. 
D)  the population size changes between time 1 and time 2. 
E)  None of the above

Question 11

Life expectancy

Accepted Answer

A)  is equivalent to life span. 
B)  is calculated ex = nx/Tx. 
C)  changes with age. 
D)  does not change with age. 
E)  none of the above 
A)  is equivalent to life span. 
B)  is calculated ex = nx/Tx. 
C)  changes with age. 
D)  does not change with age. 
E)  none of the above

Question 12

The total fertility rate (TFR) in humans is equivalent to R0.

Accepted Answer

A) True 
 B)False

Question 13

A life table can be constructed from just females because

Accepted Answer

A)  we can simply multiply the result by 2 to complete the table. 
B)  in polygynous systems males mate with more than one female. 
C)  in polygynous systems males do not care for the young. 
D)  male mortality is much higher than female mortality. 
E)  none of the above 
A)  we can simply multiply the result by 2 to complete the table. 
B)  in polygynous systems males mate with more than one female. 
C)  in polygynous systems males do not care for the young. 
D)  male mortality is much higher than female mortality. 
E)  none of the above

Question 14

The net reproductive rate (R0) is calculated from the sum of the

Accepted Answer

A)  lx column. 
B)  bx column. 
C)  nxlc column. 
D)  lxbx column. 
E)  none of the above 
A)  lx column. 
B)  bx column. 
C)  nxlc column. 
D)  lxbx column. 
E)  none of the above

The value of r is measured when the population is small because

A population is defined as _____________________.

A is a physiologically distinct plant; a _____ is a genetically distinct plant.

Human populations continue to increase during industrialization because the death rate declines but the birth rate does not.

A __life table follows a group of individuals from birth to death; a _ life table is based on a sample of individuals at one time.

The sex ratio is always balanced by the age of reproduction.

The fitness of an individual

In modular organisms,

All unitary organisms are monoecious.

The Lincoln Index assumes that

Life expectancy

The total fertility rate (TFR) in humans is equivalent to R₀.

A life table can be constructed from just females because

The net reproductive rate (R₀) is calculated from the sum of the

Introduction to Ecology

Adaptation and Evolution

Adaptations to the Physical Environment

Terrestrial Communities

Fresh-water and Marine Communities

Behavioral Ecology

The Ecology of Intraspecific Variation

Population Regulation

Life History Strategies

Competition

Coevolution I Exploitative Interactions

Mutualism

The Structure of Communities

Ecological Succession

Species Diversity

Energy Flow and Trophic Structure

Biogeochemical Cycles

Conservation Biology

Landscape Ecology

Human Global Ecology

Filters

Exam 8: Demography

The value of r is measured when the population is small because

A population is defined as _____________________.

A ________ is a physiologically distinct plant; a _____________ is a genetically distinct plant.

Human populations continue to increase during industrialization because the death rate declines but the birth rate does not.

A __________life table follows a group of individuals from birth to death; a _________ life table is based on a sample of individuals at one time.

The sex ratio is always balanced by the age of reproduction.

The fitness of an individual

In modular organisms,

All unitary organisms are monoecious.

The Lincoln Index assumes that

Life expectancy

The total fertility rate (TFR) in humans is equivalent to R0.

A life table can be constructed from just females because

The net reproductive rate (R0) is calculated from the sum of the

Introduction to Ecology

Adaptation and Evolution

Adaptations to the Physical Environment

Terrestrial Communities

Fresh-water and Marine Communities

Behavioral Ecology

The Ecology of Intraspecific Variation

Population Regulation

Life History Strategies

Competition

Coevolution I Exploitative Interactions

Mutualism

The Structure of Communities

Ecological Succession

Species Diversity

Energy Flow and Trophic Structure

Biogeochemical Cycles

Conservation Biology

Landscape Ecology

Human Global Ecology

Filters

A is a physiologically distinct plant; a _____ is a genetically distinct plant.

A __life table follows a group of individuals from birth to death; a _ life table is based on a sample of individuals at one time.

The total fertility rate (TFR) in humans is equivalent to R₀.

The net reproductive rate (R₀) is calculated from the sum of the