Deck 24: Human Populations, limited Resources, and Pollution

Question 1

Imagine a chart showing the number of people in different age groups (e.g.,0-5 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)normal pyramid
B)uniform column
C)inverted pyramid
D)hourglass

Answer 1

A

Question 2

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

Answer 2

A

Question 3

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

Answer 3

B

Question 4

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

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

Question 5

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

A)argon
B)chlorofluorocarbons
C)nitrogen
D)2,4 D

Question 6

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 7

Which is known as unrestricted growth at a constant rate?

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

Question 8

Which is the number of years it will take for a population to double at a particular rate of growth?

A)birth rate
B)doubling time
C)death rate
D)age structure

Question 9

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 10

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 11

The influx of individuals into a population by the arrival of individuals from another population is ________.

A)emigration
B)immigration
C)migration
D)dispersal

Question 12

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

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

Question 13

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 14

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 15

This type of forest is disappearing fastest.

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

Question 16

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

A)massive xerophytic tree planting
B)deep-well drilling for farms
C)using chlorofluorocarbons
D)employing molybdenum-based fertilizers

Question 17

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 numbers
C)increase in numbers
D)We cannot predict population change using age structure.

Question 18

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 19

Underground water supplies within porous rock are called ________.

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

Question 20

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 21

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

Question 22

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 23

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 24

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

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

Question 25

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

Question 26

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 27

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

Question 28

Ozone in the atmosphere shields us from ________.

Question 29

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

Question 30

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

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

Question 31

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

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

Question 32

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 33

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

Question 34

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 disease research.
B)Promote men's health programs.
C)Increase childhood vaccination programs.
D)Build better highways.

Question 35

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

Question 36

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 37

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

Question 38

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

Question 39

________ describes how populations change in size.

Question 40

In ________ countries the doubling time is often small.

Question 41

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

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

Question 42

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

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

Question 43

What difference does it make if you choose to eat a hamburger from a fast-food place rather than from a restaurant using locally grown beef?

Question 44

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

Question 45

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

A)Death rate
B)Carrying capacity
C)Ozone
D)Desertification
E)Density-dependent
F)Skin cancer
G)Emigration
H)Carbon footprint
I)Chlorofluorocarbons
J)Age structure
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 46

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 most likely to have an increasing population?

Question 47

A certain relatively dry country has begun to desalinate seawater.If you were one of the managers of an irrigation project using this water,what measures would you adopt?

Question 48

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

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

Question 49

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

Question 50

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

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

Question 51

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

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

Question 52

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

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

Question 53

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

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

Question 54

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

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

Question 55

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

Question 56

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

A)Death rate
B)Carrying capacity
C)Ozone
D)Desertification
E)Density-dependent
F)Skin cancer
G)Emigration
H)Carbon footprint
I)Chlorofluorocarbons
J)Age structure
The amount of carbon dioxide a person puts into the atmosphere is said to be this.

Question 57

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

Question 58

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

Question 59

The Green Revolution impacted Indonesia's food supply in a positive way.Comment on its effects on the country's ecological footprint.