Question 1

Which of the following is an example of an aquatic community?

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 onlyF) None of the above
G) C) and D)

Question 2

Which falls outside the study of ecology?

Accepted Answer

A)   spread of disease
B)   predator-prey relationships
C)   invasive plant species
D)   bonds of DNA
E)   land managementF) A) and B)
G) A) and C)

Question 3

A human population with a large percentage of pre-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)   less-developed countries and will most likely decrease in size.
D)   more-developed countries and will most likely decrease in size.
E)   more-developed countries and will not effect the population size.F) B) and D)
G) All of the above

Question 4

If a species of guppy lives in a stream where there is more food than they need,they are at carrying capacity.

Accepted Answer

A) True 
 B)False

Question 5

The ________ measures the amount of land needed to support a country's overall lifestyle.

Accepted Answer

A)   ecological footprint
B)   carrying capacity
C)   life table
D)   survivorship curve
E)   age structureF) A) and B)
G) A) and C)

Question 6

Hydra,a type of cnidarian,have equal survival rates through life because they are equally fit at all stages.Hydra are an example of an organism with a type ________ survivorship curve.

Accepted Answer

A)   0
B)   I
C)   II
D)   III
E)   IVF) A) and B)
G) B) and E)

Question 7

In 2010,India had a population of 1,170,000,000,a birth rate of 0.027,and a death rate of 0.013.Approximately how much did the Indian population grow in 2010?

Accepted Answer

A)   170,000,000
B)   1,700,000
C)   170,000
D)   17,000,000
E)   17,000F) C) and D)
G) All of the above

Question 8

If a scientist sees 20 finches in 3 trees where they nest at 5 p.m.,the population density is 4.

Accepted Answer

A) True 
 B)False

Question 9

In regards to a species' life history,opportunistic species

Accepted Answer

A)   are long-lived.
B)   provide extensive care for their offspring.
C)   are limited primarily by carrying capacity.
D)   reproduce later in life.
E)   produce many offspring.F) B) and E)
G) C) and D)

Question 10

Source: Data from U.S. Census Bureau, International Data Base
-Based upon the age structure diagram,you expect the American 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 post-reproductive 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.F) B) and D)
G) A) and C)

Question 11

Which level includes all the other levels?

Accepted Answer

A)   organisms
B)   population
C)   ecosystem
D)   biosphere
E)   communityF) None of the above
G) A) and B)

Question 12

The overall human population growth rate is steadily increasing each year.

Accepted Answer

A) True 
 B)False

Question 13

In a survivorship curve,a type I species,like a human or elephant,is a species that has

Accepted Answer

A)   an equal probability of dying at any age.
B)   the highest probability of dying as it reaches its maximum life span.
C)   a strong possibility of becoming extinct in a relatively short period of time.
D)   an extremely short life span.
E)   the highest probability of dying at a very young age.F) A) and E)
G) A) and B)

Question 14

Which of the following is not a characteristic for an organism with an opportunistic life history?

Accepted Answer

A)   High reproduction rate
B)   Many offspring
C)   Each offspring receives extensive parental care
D)   Low survival rate for juveniles
E)   Early reproduction maturityF) B) and E)
G) C) and D)

Question 15

All of the organisms in a given location or area are termed a

Accepted Answer

A)   peer group.
B)   flock.
C)   community.
D)   population.
E)   herd.F) B) and C)
G) A) and B)

Question 16

The number of individuals that die in a population per unit time is its

Accepted Answer

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

Question 17

The number of individuals of a species per unit area or volume of habitat is

Accepted Answer

A)   carrying capacity.
B)   population density.
C)   a community.
D)   population distribution.
E)   population dynamics.F) A) and E)
G) C) and E)

Question 18

The physical location where an organism lives is termed its

Accepted Answer

A)   home boundary.
B)   range.
C)   habitat.
D)   community.
E)   ecosystem.F) B) and E)
G) B) and D)

Question 19

Density-independent factors are abiotic.

Accepted Answer

A) True 
 B)False

Question 20

Source: Data from U.S. Census Bureau, International Data Base
-Based upon the age structure diagram,you expect the Chinese 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 post-reproductive 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.F) All of the above
G) B) and D)

Exam 18: Populations

In regards to a species' life history,opportunistic species

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In a survivorship curve,a type I species,like a human or elephant,is a species that has

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Density-independent factors are abiotic.

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The ________ measures the amount of land needed to support a country's overall lifestyle.

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Which of the following is not a characteristic for an organism with an opportunistic life history?

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All of the organisms in a given location or area are termed a

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

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The physical location where an organism lives is termed its

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Which level includes all the other levels?

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Which of the following is an example of an aquatic community?

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If a species of guppy lives in a stream where there is more food than they need,they are at carrying capacity.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The overall human population growth rate is steadily increasing each year.

Correct AnswerverifiedShow Answer

The number of individuals that die in a population per unit time is its

Correct AnswerverifiedShow Answer

If a scientist sees 20 finches in 3 trees where they nest at 5 p.m.,the population density is 4.

Correct AnswerverifiedShow Answer

The number of individuals of a species per unit area or volume of habitat is

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Which falls outside the study of ecology?

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Hydra,a type of cnidarian,have equal survival rates through life because they are equally fit at all stages.Hydra are an example of an organism with a type ________ survivorship curve.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In 2010,India had a population of 1,170,000,000,a birth rate of 0.027,and a death rate of 0.013.Approximately how much did the Indian population grow in 2010?

Correct AnswerverifiedShow Answer

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