Deck 34: Human Population, Limited Resources, and Pollution

Question 1

Which of the following is a density-dependent population-controlling factor?

A) tsunami
B) influenza outbreak
C) volcanic eruption
D) earthquake

Answer 1

B

Question 2

This type of chemical results in damage to the ozone layer of the stratosphere.

A) argon
B) chlorofluorocarbons
C) nitrogen
D) 2, 4-Dichlorophenoxyacetic acid

Answer 2

B

Question 3

If the age structure of a country shows a large base and a tapering shape, we would guess that the population of this country will ________.

A) stay the same as it is now
B) decline in number
C) increase in number
D) We cannot predict population change using age structure.

Answer 3

C

Question 4

The increase of agricultural yields due to the development of high-yield varieties of crops and the use of modern cultivation methods is referred to as the ________.

A) wonder crops
B) crop revolution
C) green revolution
D) farm aid

Question 5

Imagine a chart showing the number of people in different age groups (0 to 5 years old) as blocks in proportion to the number of people in each age group. If each of these age blocks is shown stacked with the youngest at the bottom and the oldest at the top, what shape will the whole stack assume when there is a rapid population doubling time?

A) expanding pyramid
B) uniform column
C) inverted pyramid
D) hourglass

Question 6

Air pollution over a long period of time can cause this condition.

A) malaria
B) influenza
C) emphysema
D) measles

Question 7

Of the following, the social trend that would cause the fastest population increase is ________.

A) declining fecundity
B) lower nutritional values
C) more older men getting married
D) decreasing age of first pregnancy

Question 8

Which of the following activities is likely to deplete an aquifer fastest?

A) desert trees
B) deep-well drilling for farms
C) using chlorofluorocarbons
D) employing molybdenum-based fertilizers

Question 9

Underground water supplies within porous rock are called ________.

A) chambers
B) watersheds
C) aquifers
D) wasserlagen

Question 10

Which of the following is an example of direct water usage?

A) home drinking water
B) agricultural irrigation
C) steam generation
D) power plant cooling

Question 11

This type of forest is disappearing fastest.

A) great oaks
B) maple
C) kelp
D) tropical

Question 12

If we wished to reduce global climate change, which of the following would not be targeted for reduction?

A) nitrogen
B) carbon dioxide
C) methane
D) nitrous oxide

Question 13

Which of the following would we say is unrestricted growth rate?

A) exponential growth
B) immigration
C) logistic growth
D) S-shaped growth

Question 14

The increase and decrease of individuals in a population around the carrying capacity in response to resource availability and other environmental factors is known as which growth pattern?

A) exponential growth
B) logistic growth
C) zero growth
D) death rate

Question 15

In the 1920s and 1930s, terrible dust storms carried away tons of good soil from farmland in western Oklahoma. Which of the following would be a result?

A) reduction in carrying capacity
B) massive immigration
C) exponential growth of human population
D) shortening of the doubling rate

Question 16

Many forest plants and animals have been found to have chemicals in them that can be used for medicines. Which of the following is least helpful in preserving this resource?

A) eating more hamburgers
B) limiting new housing developments
C) encouraging paper and wood recycling
D) promoting nut tree growing

Question 17

Which of the following is a density-independent population-regulating factor?

A) a tornado
B) a famine
C) a parasite
D) an outbreak of a new, lethal flu strain

Question 18

In which area would significant water conservation have the greatest impact?

A) power plant cooling
B) agriculture
C) the home
D) car washes

Question 19

This method of generating energy has in the past resulted in accidents that in turn cause cancer.

A) biofuels
B) nuclear energy
C) hydroelectric
D) geothermal

Question 20

Which community will need to plan for more schools? One with a population structure shaped like a(n) ________.

A) pyramid
B) inverted pyramid
C) box
D) column

Question 21

Ozone in the atmosphere shields us from ________.

Question 22

Of the following, the most important cause of deforestation is ________.

A) city expansion
B) farming
C) fires caused by lightening
D) continental drift

Question 23

Overgrazing transforms marginal farmlands to deserts, a process called ________.

Question 24

________ is the term that describes how populations change in size.

Question 25

The ozone in the atmosphere can be damaged by which of the following?

A) carbon dioxide
B) chlorine
C) methane
D) oxygen

Question 26

A national planner is aware that the income tax revenues will fall in 30 years, so it would be best to increase the money coming into the budget at that time. Which of the following would be the most productive option?

A) Sponsor more research into late-onset Alzheimer's disease research.
B) Promote men's health programs.
C) Increase childhood vaccination programs.
D) Build better highways.

Question 27

Population increases may be stopped by reduced resources or by the buildup of ________.

Question 28

Irrigating land can lead to a buildup of salt in the soil called ________.

Question 29

________ are events that bring about death that are not related to the density of individuals in a population.

Question 30

This gas traps 20 times the heat that carbon dioxide does.

A) methane
B) argon
C) nitrogen
D) oxygen

Question 31

Germany is a very affluent European nation, so we would assume that its ecological footprint would most likely be ________.

Question 32

________ spread more easily in crowded conditions than in places with a sparser population. Thus, these are density-dependent regulating factors.

Question 33

The Social Security fund is maintained by a federal tax on the earnings of employed people. Which group of workers should be encouraged to live temporarily in the country?

A) young unmarried males
B) young married couples
C) elderly females
D) retired couples

Question 34

The ________ is the development of high-yield varieties of crops and the use of modern cultivation methods, including the use of farm machinery, fertilizers, pesticides, and irrigation.

Question 35

Valparaiso, Chile, is the city closest to Antarctica. With reduced CFC use, what health condition will probably change, and how?

A) There will be fewer skin cancers.
B) There will be an increase in cataracts.
C) There will be an increase in lung cancer.
D) There will be fewer bacterial infections.

Question 36

Population doubling time will increase with a(n) ________ average age of first birth in women.

Question 37

The ________ drift up to the stratosphere, where UV radiation causes them to break down to their atomic form, one of which breaks down ozone.

Question 38

In ________ countries, the doubling time is often small.

Question 39

________ are events that have a greater impact on the population as conditions become more crowded.

Question 40

Generally, the homicide rate is higher in cities with large populations than in smaller municipalities. How, then, would you characterize homicides as population-controlling factors?

A) They are like floods.
B) They are like infectious diseases.
C) They are unlike famine.
D) They are unlike parasites.

Question 41

The green revolution affected Indonesia's food supply in a positive way. Comment on its effects on the country's ecological footprint.

Question 42

Match each definition in the first column to the correct term in the second column.

A) Skin cancer
B) Carbon footprint
C) Age structure
D) Emigration
E) Desertification
F) Chlorofluorocarbon
G) Ozone
H) Carrying capacity
I) Density-dependent
J) Death rate
Age classes grouped into pre-reproductive, reproductive, and post-reproductive categories.

Question 43

Match each definition in the first column to the correct term in the second column.

A) Skin cancer
B) Carbon footprint
C) Age structure
D) Emigration
E) Desertification
F) Chlorofluorocarbon
G) Ozone
H) Carrying capacity
I) Density-dependent
J) Death rate
A measure of the decrease in population size due to removal of individuals by disease, predation, or natural causes.

Question 44

What are the issues around the use of biofuels as an alternative to fossil fuels?

Question 45

Match each definition in the first column to the correct term in the second column.

A) Skin cancer
B) Carbon footprint
C) Age structure
D) Emigration
E) Desertification
F) Chlorofluorocarbon
G) Ozone
H) Carrying capacity
I) Density-dependent
J) Death rate
When marginal farmland is left barren, the process is termed this.

Question 46

Match each definition in the first column to the correct term in the second column.

A) Skin cancer
B) Carbon footprint
C) Age structure
D) Emigration
E) Desertification
F) Chlorofluorocarbon
G) Ozone
H) Carrying capacity
I) Density-dependent
J) Death rate
Along with death, this decreases population size.

Question 47

A(n) ________ is determined by the rates at which individuals are added to and subtracted from the population.

Question 48

Match each definition in the first column to the correct term in the second column.

A) Skin cancer
B) Carbon footprint
C) Age structure
D) Emigration
E) Desertification
F) Chlorofluorocarbon
G) Ozone
H) Carrying capacity
I) Density-dependent
J) Death rate
A certain herbivore selectively destroys some types of plants on rangeland but not others. After those animals have left the area, those tasty plants no longer grow on the plot of land, so we would say that this has been reduced there.

Question 49

Match each definition in the first column to the correct term in the second column.

A) Skin cancer
B) Carbon footprint
C) Age structure
D) Emigration
E) Desertification
F) Chlorofluorocarbon
G) Ozone
H) Carrying capacity
I) Density-dependent
J) Death rate
This term describes the amount of carbon dioxide a person puts into the atmosphere.

Question 50

Baja California is a relatively dry Mexican state but has begun to desalinate seawater for the eastern and driest part of the state. If you were one of the managers of an irrigation project using this water, what measures would you adopt?

Question 51

Discuss some of the factors that cause population size to fluctuate around the carrying capacity.

Question 52

Why is it important that humans attempt to control their numbers and begin to identify renewable resources?

Question 53

Match each definition in the first column to the correct term in the second column.

A) Skin cancer
B) Carbon footprint
C) Age structure
D) Emigration
E) Desertification
F) Chlorofluorocarbon
G) Ozone
H) Carrying capacity
I) Density-dependent
J) Death rate
Ultraviolet light can cause this potentially deadly skin disease.

Question 54

Match each definition in the first column to the correct term in the second column.

A) Skin cancer
B) Carbon footprint
C) Age structure
D) Emigration
E) Desertification
F) Chlorofluorocarbon
G) Ozone
H) Carrying capacity
I) Density-dependent
J) Death rate
Tuberculosis is caused by an infectious bacterium and causes an annual death toll of 1 to 3 million people worldwide. It is this kind of regulating factor.

Question 55

Match each definition in the first column to the correct term in the second column.

A) Skin cancer
B) Carbon footprint
C) Age structure
D) Emigration
E) Desertification
F) Chlorofluorocarbon
G) Ozone
H) Carrying capacity
I) Density-dependent
J) Death rate
If you found an old refrigerator that still works, it would probably have this type of compound as a refrigerant.

Question 56

Match each definition in the first column to the correct term in the second column.

A) Skin cancer
B) Carbon footprint
C) Age structure
D) Emigration
E) Desertification
F) Chlorofluorocarbon
G) Ozone
H) Carrying capacity
I) Density-dependent
J) Death rate
This form of oxygen can irritate the eyes and the respiratory system.

Question 57

If a great volcano blew up and almost everyone nearby was killed, we would say that this was due to a(n) ________ regulating factor.

Question 58

If the women of Transylpolkonia traditionally delay having their first child until they are in their late 30s but the women of Chaldokia normally start their families in their teens, which nation will be more likely to have an increasing population?

Question 59

That carton of milk has been sitting in the refrigerator for several weeks, and everyone in your house has been complaining about it-it is full of bacteria! Predict what will happen to those bacteria as time goes on.