Question 1

The distribution of species is rarely determined by minimum and maximum temperature tolerances.

Accepted Answer

A) True 
 B)False

Question 2

A group of local subpopulations is called a(n)

Accepted Answer

A)  community.
B)  species.
C)  metapopulation.
D)  ecogroup.E) B) and C)
F) A) and D)

Question 3

Ecological density is a measure of the number of individuals per unit of available living space.

Accepted Answer

A) True 
 B)False

Question 4

A population's density is calculated as the

Accepted Answer

A)  area over which the population is distributed.
B)  number of individuals within the population.
C)  unit of area divided by the number of individuals.
D)  number of individuals per unit area.E) A) and B)
F) B) and D)

Question 5

The area inhabited by all individuals of a particular species is known as the population's

Accepted Answer

A)  geographic range.
B)  density.
C)  ecosystem.
D)  habitat.E) A) and C)
F) A) and B)

Question 6

Because a direct count of all individuals within a population is often impossible,population density is usually estimated by one or more methods of ________.

Accepted Answer

The answer of Because a direct count of all individuals...

Question 7

The sex ratio of human senior citizens (>65 years) is

Accepted Answer

A)  skewed toward females.
B)  skewed toward males.
C)  1:1.
D)  the same as birds'.E) A) and C)
F) B) and D)

Question 8

How might a species' range be extended?

Accepted Answer

A)  through increased migration rates
B)  through increased immigration rates
C)  through climate change
D)  through decreased reproductive ratesE) B) and C)
F) A) and D)

Question 9

Which of the following is not an invasive species?

Accepted Answer

A)  cheatgrass
B)  purple loosestrife
C)  ring-necked duck
D)  Asian longhorned beetleE) All of the above
F) None of the above

Question 10

Which of the following is an example of dendrochronology?

Accepted Answer

A)  measuring seedling recruitment
B)  counting juveniles in a population
C)  measuring finger bone size over time
D)  counting tree ringsE) C) and D)
F) B) and D)

Question 11

Which of the following represents a modular organism?

Accepted Answer

A)  lizard
B)  coral
C)  dog
D)  antE) None of the above
F) A) and C)

Question 12

Which of the following best represents a measure of ecological density?

Accepted Answer

A)  number of frogs per meter of pond shoreline
B)  number of birds per hectare
C)  number of mammals per meter
D)  number of fish per volume of oceanE) C) and D)
F) All of the above

Question 13

An ecologist spent a year studying the population dynamics of a species of duck on a lake.At the beginning of the year,there were 86 adults.Of these,16 adults left the lake,12 adults arrived on the lake from elsewhere,76 chicks hatched from eggs,24 chicks survived to become adults,and 8 adults died.How many individuals emigrated?

Accepted Answer

A)  8
B)  12
C)  16
D)  24E) B) and C)
F) A) and D)

Question 14

Counting the total number of individuals within a square or rectangle of known area,referred to as a(n)________,is a sampling method that is commonly used to study plants or other sessile animals.

Accepted Answer

The answer of Counting the total number of individuals within...

Question 15

The primary factors driving the dynamics of population abundance are the demographic processes of ________ and ________.

Accepted Answer

The answer of The primary factors driving the dynamics of...

Question 16

The movement of individuals in space is called

Accepted Answer

A)  distribution.
B)  migration.
C)  dispersal.
D)  density.E) All of the above
F) B) and D)

Question 17

Population ________ is the number of individuals per unit area,or per unit volume.

Accepted Answer

The answer of Population ________ is the number of individuals...

Question 18

Which of the following is an example of migration?

Accepted Answer

A)  frogs leaving a pond after metamorphosis
B)  hawks finding a new territory after maturing
C)  seeds dispersing from a tree
D)  humpback whales traveling up and down the coast of western United StatesE) A) and B)
F) None of the above

Question 19

A group of individuals of the same species inhabiting a given area is called a(n)________.

Accepted Answer

The answer of A group of individuals of the same...

Question 20

Which of the following methods would work best to estimate flower species diversity?

Accepted Answer

A)  mark-recapture
B)  Lincoln Peterson index
C)  quadrats
D)  distribution mappingE) All of the above
F) B) and D)

Exam 8: Properties of Populations

Correct Answer
verified

Which of the following is not an invasive species?

Correct Answer
verified

Population ________ is the number of individuals per unit area,or per unit volume.

Correct Answer
verified

Counting the total number of individuals within a square or rectangle of known area,referred to as a(n)________,is a sampling method that is commonly used to study plants or other sessile animals.

Correct Answer
verified

Because a direct count of all individuals within a population is often impossible,population density is usually estimated by one or more methods of ________.

Correct Answer
verified

A group of individuals of the same species inhabiting a given area is called a(n)________.

Correct Answer
verified

How might a species' range be extended?

Correct Answer
verified

The area inhabited by all individuals of a particular species is known as the population's

Correct Answer
verified

A group of local subpopulations is called a(n)

Correct Answer
verified

Which of the following is an example of migration?

Correct Answer
verified

The distribution of species is rarely determined by minimum and maximum temperature tolerances.

Correct Answer
verified

Which of the following is an example of dendrochronology?

Correct Answer
verified

The sex ratio of human senior citizens (>65 years) is

Correct Answer
verified

Which of the following represents a modular organism?

Correct Answer
verified

Which of the following methods would work best to estimate flower species diversity?

Correct Answer
verified

A population's density is calculated as the

Correct Answer
verified

The primary factors driving the dynamics of population abundance are the demographic processes of and .

Correct Answer
verified

Which of the following best represents a measure of ecological density?

Correct Answer
verified

The movement of individuals in space is called

Correct Answer
verified

Ecological density is a measure of the number of individuals per unit of available living space.

Correct Answer
verified

Exam 8: Properties of Populations

Correct AnswerverifiedShow Answer

Which of the following is not an invasive species?

Correct AnswerverifiedShow Answer

Population ________ is the number of individuals per unit area,or per unit volume.

Correct AnswerverifiedShow Answer

Counting the total number of individuals within a square or rectangle of known area,referred to as a(n)________,is a sampling method that is commonly used to study plants or other sessile animals.

Correct AnswerverifiedShow Answer

Because a direct count of all individuals within a population is often impossible,population density is usually estimated by one or more methods of ________.

Correct AnswerverifiedShow Answer

A group of individuals of the same species inhabiting a given area is called a(n)________.

Correct AnswerverifiedShow Answer

How might a species' range be extended?

Correct AnswerverifiedShow Answer

The area inhabited by all individuals of a particular species is known as the population's

Correct AnswerverifiedShow Answer

A group of local subpopulations is called a(n)

Correct AnswerverifiedShow Answer

Which of the following is an example of migration?

Correct AnswerverifiedShow Answer

The distribution of species is rarely determined by minimum and maximum temperature tolerances.

Correct AnswerverifiedShow Answer

Which of the following is an example of dendrochronology?

Correct AnswerverifiedShow Answer

The sex ratio of human senior citizens (>65 years) is

Correct AnswerverifiedShow Answer

Which of the following represents a modular organism?

Correct AnswerverifiedShow Answer

Which of the following methods would work best to estimate flower species diversity?

Correct AnswerverifiedShow Answer

A population's density is calculated as the

Correct AnswerverifiedShow Answer

The primary factors driving the dynamics of population abundance are the demographic processes of ________ and ________.

Correct AnswerverifiedShow Answer

Which of the following best represents a measure of ecological density?

Correct AnswerverifiedShow Answer

The movement of individuals in space is called

Correct AnswerverifiedShow Answer

Ecological density is a measure of the number of individuals per unit of available living space.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

The primary factors driving the dynamics of population abundance are the demographic processes of and .

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified