Question 1

The study of the relationships among organisms and the environment is

Accepted Answer

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

Question 2

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.F) A) and B)
G) C) and E)

Question 3

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

Accepted Answer

A) True 
 B)False

Question 4

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.F) None of the above
G) A) and C)

Question 5

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.F) A) and D)
G) None of the above

Question 6

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

Accepted Answer

A) True 
 B)False

Question 7

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.F) A) and B)
G) None of the above

Question 8

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.F) B) and D)
G) B) and E)

Question 9

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.F) B) and C)
G) None of the above C

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)   0.001F) C) and E)
G) A) and B)

Question 11

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.F) B) and E)
G) A) and B)

Question 12

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)   IVF) A) and D)
G) C) and E)

Question 13

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 onlyF) B) and C)
G) A) and D)

Question 14

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.F) B) and D)
G) C) and D) C

Question 15

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.F) B) and E)
G) C) and E)

Question 16

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.F) A) and C)
G) All of the above

Question 17

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 18

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

Accepted Answer

A) True 
 B)False

Question 19

Water accounts for about half of the ecological footprint.

Accepted Answer

A) True 
 B)False

Question 20

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.F) A) and B)
G) A) and C) A

Exam 18: Populations

The study of the relationships among organisms and the environment is

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Predation of deer by wolves is an example of a

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

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?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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.

Correct AnswerverifiedShow Answer

Which is an example of an aquatic ecosystem?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedC

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Water accounts for about half of the ecological footprint.

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedA

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C

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C

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A