GENV 205 WEEK 8 chapter 14 QUIZ

Quiz
1) If the ice cap at the North Pole continues to shrink, which of the following is NOT a likely outcome?
(1pts)

Polar bears could decline or become extinct.

Seal populations would likely increase.

Arctic fox populations would be negatively affected.

Penguin populations would increase.

Indigenous people would lose a food source.
2) Which of the following poses the greatest threat to polar bears?
(1pts)

Hunting

Tainted seal meat

Pollution

Global warming

Predation
3) Which of the following molecules is NOT considered a greenhouse gas?
(1pts)

Carbon dioxide

Ozone

Nitrogen

Methane

Chlorofluorocarbon
4) Which of the following phenomena is a major cause of increasing greenhouse gas production?
(1pts)

A weakening economy leading to less efficient energy usage

An increasing global population, which is also becoming increasingly affluent

A more intense Atlantic hurricane seasons

A thinning of stratospheric ozone, causing an increase in UV radiation

Higher evaporation rates due to greater area of impervious surfaces
5) An increase in the concentration of greenhouse gases in the troposphere will lead to the reduction in heat radiated back to space in the form of
(1pts)

infrared radiation.

visible light.

gamma radiation.

ultraviolet light.

cosmic rays.
6) Which of the following best describes the class of compounds known as chlorofluorocarbons (CFCs)?

I. Volcanic eruptions release them into the atmosphere.
II. They are known ozone depleters.
III. They were targeted for banning in 1987 as part of the Montreal Protocol.
(1pts)

I only

II only

I and III

II and III

I, II, and III
7) Excluding anthropogenic sources of greenhouse gases, greenhouse warming can be considered
(1pts)

non-existent.

a necessary temperature moderating mechanism.

detrimental to sensitive sea life.

a leading cause in sea level rise.

responsible for a growing number of threatened and endangered species.
8) Which of the following fuels would release the most carbon dioxide in producing a given amount of energy?
(1pts)

Natural gas

Nuclear power

Hydropower

Oil

Coal
9) Which of the following organizations was created by the UN to monitor, understand, and estimate the global impact of climate change?
(1pts)

Montreal Protocol

EPA

IUCN

IPCC

Peace Corps
10) Which of the following nations is responsible for the most carbon emissions on an annual basis?
(1pts)

India

Germany

The United States

China

Russia
11) Soils contain a large amount of stored carbon. The current and expected increase in temperature is likely to stimulate a positive feedback mechanism driven by
(1pts)

increased plant growth.

increased activity of decomposers in soils.

heightened soil erosion.

soil salinization.

loss of groundwater recharge.
12) Which of the following natural disasters in the United States can be at least partly attributed to global warming?
(1pts)

Hurricane Katrina

Gulf oil spill

Love Canal

Exxon Valdez oil spill

Eruption of Mount St. Helens
13) Which of the following is NOT an example of how global warming has disrupted living organisms?
(1pts)

Earlier flowering of many plant species

Mistiming of bird hatching with emergence of insect prey

pH changes in oceanic waters

Expansion of the growing season

Delayed hibernation for terrestrial mammals
14) An organismal level effect that is partially the result of global warming may be seen in the disassociation of types of algae from their symbiotic hosts. This process is known as
(1pts)

coral bleaching.

sequential hermaphroditism.

parasitoid evacuation.

mutualistic exclusion.

commensalistic separation.
15) An attempt at global collaboration in curbing greenhouse gas emissions was demonstrated by the
(1pts)

Clean Air Act.

Kyoto Protocol.

Montreal Protocol.

Natural Resource Defense Council.

Environmental Protection Agency.
16) An approach to combating global warming by removing already-emitted greenhouse gas is termed
(1pts)

carbon disassociation.

thermal stratification.

carbon sequestration.

methanogenesis.

cogeneration.
17) Excluding wetlands, an abundant, non-anthropogenic source of methane in the atmosphere is from
(1pts)

domestic livestock.

termites.

sugar cane production.

photosynthetic activity.

aerobic soils.
18) A potential source of natural short-term climate change can be seen with
(1pts)

earthquake activity.

natural selection.

volcanism.

ecological succession.

wetland delineation.
19) The concentration of which of the following greenhouse gases is LEAST affected by human activity?
(1pts)

Water vapor

Carbon dioxide

Chlorofluorocarbons

Methane

Carbon monoxide
20) According to the U.S. Supreme Court, which agreement or legislation gives the EPA the authority to regulate CO2 emissions?
(1pts)

The Clean Water Act

The Clean Air Act

The Montreal Protocol

The Kyoto Protocol

The Comprehensive Environmental Response, Compensation, and Liability Act

 

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