Ashworth SO245 Exam 4

Online Exam 4_04

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Part 1 of 1 – 100.0

Question 1 of 20 5.0

The study of ecology focuses specifically on:
A. the world that is all around us.
B. the world of living things in our planet.
C. the mutual relationship between organisms and the natural
D. anything having to do with life.
Question 2 of 20 5.0

According to the text, by 2050, it is believed that
__________ of the earth’s species will become extinct if rain
forest destruction continues.
A. 6%
B. 14%
C. 25%
D. 50%
Question 3 of 20 5.0

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Wetlands are important for all of the following reasons
A. they provide local habitats for many species of animals
and plants.
B. one-third of endangered or threatened species in the U.S.
live in or are dependent on them.
C. they harbor the majority of the world’s flowering
D. they provide purification of local water supplies.
Question 4 of 20 5.0

The percentage of China’s rivers that were severely polluted
in 2000 was __________; in 2002 it was
A. 12%; 20%
B. 22%; 51%
C. 32%; 65%
D. 42%; 71%
Question 5 of 20 5.0

The United States is responsible for __________ of the
world’s total energy consumption.

A. 15%

B. 25%

C. 35%

D. 45%

Question 6 of 20

According to the article “The Grim Payback of
Greed” our level of consumerism:

A. is essentially a creation of the 20th century.

B. has declined in the West but is growing rapidly in
developing countries.

C. is highly correlated with reported levels of happiness.

D. is tied to our vast wealth, and to forces in the modern
world that encourage people to act on their consumption desires.

Question 7 of 20

Indirectly, the “meat-eating quarter of humanity”
consumes nearly __________ of the world’s grain.

A. 15%

B. 20%

C. 40%

D. 50%

5.0 Points

5.0 Points

Question 8 of 20 5.0

According to the National Academy of Sciences, the Earth’s
surface temperature has risen about __________
in the past century.
A. 1%
B. 5%
C. 10%
D. 12%
Question 9 of 20 5.0

According to the textbook, an individual’s most important
decision that will effect the climate is:
A. the choice to unplug an extra freezer that is rarely
B. looking for the Energy Star on new appliances.
C. selecting a fuel efficient automobile.
D. planting a tree.
Question 10 of 20 5.0

Which of the following was NOT a founding principle of the
Kyoto Protocol?

A. Scientific uncertainty must not be used to avoid
precautionary action.

B. Nations must have common but differentiated

C. All nations must be included in the contract for it to

D. Industrial nations must take the lead in addressing the

Question 11 of 20 5.0

The article “Young at Risk” proposes that the
young of humans and animals are more vulnerable to chemical
pollutant exposure due to all of the following reasons
EXCEPT that:
A. their brains are less sensitive than those of mature
humans and animals.
B. the young eat and breathe more for their body weights
than adults, so they get bigger
proportional doses of external pollutants.
C. accumulated dioxin slows action to the immune system.
D. they will be getting about 50 times the exposure of an
adult during critical developmental
Question 12 of 20 5.0

The central problem in the international fishing industry
A. “poaching” by foreign vessels in the
territorial waters of small nations.
B. laws restricting fishing in waters with the most abundant
fish populations.
C. the decline in fish populations due to over-fishing,
pollution, and habitat destruction.
D. a lack of enforcement of the Magnuson Fishery
Conservation and Management Act.
Question 13 of 20 5.0

The reauthorization of the Magnuson Act in 1996 focused on
all of the following EXCEPT:
A. overfishing.
B. funding.
C. air quality.
D. habitat degradation.
Question 14 of 20 5.0

According to the text, problems associated with the
Endangered Species Act include all of the following
A. its use as a “last-chance” approach to saving
endangered species.
B. the creation of conflict between individual property
owners and government regulations
concerning species.
C. a lack of public support for the Act.
D. ill-defined categories concerning the level of threat
posed by human activities to individual

Question 15 of 20

Aside from lead, the two air pollutants most hazardous to
human health are:

A. sulfur dioxide and carbon monoxide.

B. ozone and sulfur dioxide.

C. ozone and fine airborne particulates.

D. nitrous oxides and carbon monoxide.

Question 16 of 20

Which of the following is an ingredient of acid rain?

A. Lead

B. Nitrogen dioxide


D. Ozone

Question 17 of 20

The process of searching for new natural medicines is

A. drug testing.

B. bioprospecting.

C. FDA approval seeking.

D. curative compounding.

Question 18 of 20

The economic value of the rain forest is based upon all of
the following EXCEPT:

A. plants that potentially contain the basis for new

B. its value as a source of raw materials.

C. its value as a food source.

D. its value as a fossil fuel source.

5.0 Points

5.0 Points

5.0 Points

5.0 Points

Question 19 of 20 5.0

In considering the origins of the top 150 drugs in the
United States, __________ origins account for the
greates percentage of drugs.
A. synthetic
B. animal
C. plant
D. marine

Question 20 of 20 5.0

The central problems mentioned in the case study concerning
the Love Canal include all of the following EXCEPT that:

A. developers and the school board knew about the chemical
dump, but proceeded anyway.

B. individual citizens are powerless to make a difference in
situations concerning waste dumping.

C. there are chemical dumps around the U.S. and the world
which are annually increasing. Improved safe dumping and developing/ building
standards need to be carefully created and monitored for safety of citizenry.

D. there are many heavily concentrated chemical dumps close
to the Niagara River and such leaching and damage to the environment similar to
Love Canal could easily again happen.

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