Critical factor in controlling human population growth assignment

Week 3 quiz
1) The most critical factor in controlling human population growth is

controlling reproductive lifespan.

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decreasing the age of first birth.

decreasing the average number of births per woman.

decreasing infant death.

increasing overall wellness for the human race.
2) The total fertility rate (TFR) is an estimate of

the number of children that will survive to adulthood.

the number of years a typical infant will live.

the number of children each woman in a population will have.

the number of births per 1000 people per year.

the percentage of women in a population that are able to have children.
3) Which factor would NOT influence the size a population reaches over time?

Immigration and emigration

Number of deaths

Age of females at reproduction

Distance traveled by migrants

Number of births
4) To determine the number of individuals that will be added to a population in a specified time, we multiply the growth rate (r) by the

biotic potential.

original population size.

environmental resistance.

final population size.

number of immigrants
5) Under which of the following conditions would a population grow?

The birth rate and the death rate are equal.

The birth rate exceeds the death rate and there is no immigration or emigration.

Emigration exceeds immigration and the birth rate equals the death rate.

The birth rate equals the death rate and immigration is equal to emigration.

The carrying capacity is exceeded.
6) A populations growth rate depends upon

the age at which it first reproduces.

the average number of offspring produced.

the reproductive lifespan.

the post reproductive lifespan.

All of the above
7) Developing countries tend to have a(n) ____ age structure diagram.


inverted triangle



8) If a populations age structure diagram looks like a pyramid, the population

is expanding.

is shrinking.

is remaining the same.

will expand for at least a generation.

is showing continuous exponential growth.
9) Population growth rates are high in developing countries because

infant mortality rates are low.

women tend to have children late in life.

family planning is common.

children are often an important economic advantage.

All of the above
10) If women delay childbearing,

the growth rate will increase.

the growth rate will decrease.

the growth rate will stay the same.

the immigration rate will increase.

the emigration rate will increase.
11) The population of the United States continues to grow as a result of


babies born to baby-boom generation parents.

the birth rate being above replacement level fertility during the 1940s through the 1960s.

population momentum.

All of the above
12) At present, Earths human population is



increasing exponentially.

increasing at a constant rate.

increasing at about 10% per year.
13) U.S. citizens have a large ecological footprint because of their high consumption of



energy resources.


All of the above
14) A countrys impact on the environment is influenced by

I. population.
II. technology.
III. affluence.



I and III

II and III

I, II, and III
15) More than half of the total ecological footprint of the United States comes from

use of fossil fuels.

water use in the Western United States.

urban sprawl, which requires too much land area.

industrial agriculture techniques.

industrial production of goods from raw materials.
16) Key Idea: Analyze relationships among changes in population size, economic development, and resource consumption at global and local scales.

Urban populations represent approximately ____ % of the world population, but consume ____ % of the worlds resources


10; 25

10; 50

25; 50

50; 50

50; 75
17) Malthus noted that human populations grow ____ while food supply grows ____.

linearly; exponentially

linearly; sigmoidally

exponentially; linearly

exponentially; logarithmically

logarithmically; exponentially
18) In general, what is the relationship between life expectancy, child mortality, and affluence (such as health care, sanitation, potable water, and food)?

Life expectancy and child mortality are generally inversely proportional to affluence.

Life expectancy is generally inversely proportional to affluence, while child mortality is directly proportional.

Life expectancy is generally directly proportional to affluence, while child mortality is inversely proportional.

Life expectancy and child mortality are generally directly proportional to affluence.

There is no general relationship among these three factors.
19) Which developed country has the lowest infant mortality rate?



United States


20) At one point, China had the highest fertility rates in the world. Now, with a rate of 1.6 births/woman, the population is expected to

double by 2040.

level off by 2040.

begin falling by 2040.

become more fertile, possibly increasing to as high as 2.5 births per woman.

become less fertile, possibly decreasing to zero population growth.
21) Historically, ____ has/have kept the world population out of food deficit.

slow population growth

exponential population growth

food surplus

innovations in agricultural practices

government assistance
22) Which factor is NOT considered when estimating world population?



Total fertility rates


Existing population
23) Two populations of the same size have the same fertility and infant mortality rates. In population A, females begin having children at about age 16. In population B, they begin at about age 20. If we ignore immigration and emigration, which of the following should hold true?

Population A should grow more quickly due to four more years of possible child bearing.

Population B should grow more quickly because older mothers usually have healthier children.

Populations A and B should grow at about the same rate.

Population A should grow more quickly because younger mothers usually have healthier children.

There is not enough information to tell.
24) Worldwide, the largest density-dependent cause of death is

natural disaster.


heart disease.

infectious disease.

car accidents.
25) Which of the following is NOT true of sustainable development?

It attempts to raise standards of living without increasing environmental impact.

It increases the ecological footprint of cities that implement sustainable programs.

It involves utilizing renewable energy, organic agriculture, and land preservation.

The Millennium Ecosystem Assessment project is a blue print for sustainable development.

It is threatened by increased population and the concomitant increase in resource consumption.

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