Question 1

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

Accepted Answer

Biofuels are made up of dead living things such as sugar cane.However,using food crops to produce fuel so that we can run our vehicles may cause food prices to rise.There are also concerns that irrigating biofuel crops will add to our shortage of water.

Question 2

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

Accepted Answer

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

Question 3

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

Accepted Answer

chlorofluorocarbons

Question 4

Underground water supplies within porous rock are called ________.

Accepted Answer

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

Question 5

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

Accepted Answer

The answer of Germany is a very affluent European nation,so...

Question 6

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

Accepted Answer

The answer of Doubling time will increase with a(n)________ average...

Question 7

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

Accepted Answer

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. 
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 8

Match each definition in the first column to the correct term in the second column.
-The amount of carbon dioxide a person puts into the atmosphere is said to be this.

Accepted Answer

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) 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

Question 9

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

Accepted Answer

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) 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

Question 10

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

Accepted Answer

The answer of Irrigating land can lead to a buildup...

Question 11

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

Accepted Answer

The answer of Overgrazing transforms marginal farmlands to deserts,a process...

Question 12

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

Accepted Answer

population

Question 13

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?

Accepted Answer

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

Question 14

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

Accepted Answer

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

Question 15

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?

Accepted Answer

According to the chapter,a manager would

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?

Accepted Answer

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

Question 17

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

Accepted Answer

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

Question 18

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

Accepted Answer

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

Question 19

Match each definition in the first column to the correct term in the second column.
-Age classes grouped into pre-reproductive,reproductive,and post-reproductive categories.

Accepted Answer

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) 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

Question 20

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

Accepted Answer

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

Exam 24: Human Populations, limited Resources, and Pollution

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

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

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

Underground water supplies within porous rock are called ________.

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

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

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

Match each definition in the first column to the correct term in the second column. -The amount of carbon dioxide a person puts into the atmosphere is said to be this.

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

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

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

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

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?

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

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?

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?

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

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

Match each definition in the first column to the correct term in the second column. -Age classes grouped into pre-reproductive,reproductive,and post-reproductive categories.

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

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