Bio Exam 3

Front 1

The Intergovernmental Panel on Climate Change (IPCC) projected a global temperature
increase by the year 2100 of:

Back 1

1.8º to 4.0ºC.

Front 2

Which of the following is not a greenhouse gas?

Back 2

sulfur oxide

Front 3

Which of the following activities is responsible for the largest percentage of human-made carbon
dioxide emissions?

Back 3

fossil fuels

Front 4

The group of air pollutants that tend to cool the atmosphere are known collectively as:

Back 4

atmospheric aerosols

Front 5

Which of the following organisms have already been negatively affected by global climate
change?

Back 5

zooplankton along the California coast

Front 6

Global climate change may actually benefit:

Back 6

certain weeds

Front 7

A situation in which a change in some conditions triggers a response that counteracts, or
reverses, the changed condition is called

Back 7

negative feedback

Front 8

The international treaty which provides operational rules on reducing greenhouse gas emissions
is called

Back 8

Kyoto Protocol

Front 9

The greenhouse effect occurs because

Back 9

carbon dioxide and other trace gases trap infrared radiation in the Earth's atmosphere

Front 10

Which of the following is not a predicted outcome of global climate change

Back 10

ocean water becomes alkaline

Front 11

Which of the following statements about the effects of global warming on agriculture is true?

Back 11

Rising sea level may inundate some of the world's most productive agricultural lands.

Front 12

Organisms that take CO2 out of the air and sequester it in the form of calcium carbonate are:

Back 12

being threatened by the increasing acidity of the oceans from carbonic acid

Front 13

Which of the following are two ways to attempt to manage global climate change?

Back 13

mitigation and adaptation

Front 14

Warmer temperatures leading to greater evaporation and higher concentration of atmospheric
water vapor which leads to warmer air and ocean temperatures is an example of

Back 14

positive feedback

Front 15

Water shortages, frequent flooding, and heavy snow and rainstorms in some areas are a direct
result of…

Back 15

changes in precipitation patterns

Front 16

Famine

Back 16

Temporary but severe shortage of food
Developing nations of Africa, Asia and Latin America are most at risk
More people die from starvation than famine

Front 17

Maintaining Grain Stocks

Back 17

Amounts of rice, wheat, corn and other grains remaining from previous harvest
Provides measure of food security
Decreased each year since mid 1980’s
In 2010, UN estimated that carryover stock would last 72 days

Front 18

Decline in Grain Stock

Back 18

Rising temps
Falling water tables and droughts
Ethanol production
More grain is going towards feeding livestock
Increased meat consumption in developing countries

Front 19

World Food Security

Back 19

Economics and Politics
Cost money to store, produce, transport and distribute food
Getting food to those who need it is political
Poverty and Food
1.3 billion people are so poor they cannot afford proper nutrition
More common in
Rural than urban areas
Infants, children and the elderly

Front 20

Animals as food

Back 20

Constitute 40% of the calories consumed in developed countries
Only comprise 5% of calories consumed in developing countries

Front 21

Industrialized agriculture

Back 21

Modern agriculture methods that require large capital input, and less land and labor

Front 22

Subsistence Agriculture

Back 22

Traditional agricultural methods, which are dependent on labor and large amounts of land
Shifting cultivation, Slash and burn agriculture, Nomadic herding, Intercropping

Front 23

Domestication and Genetic Diversity

Back 23

Domestication of crops and livestock causes a loss of genetic diversity
Farmer selects and propagates animals with desirable agricultural characteristics

Front 24

Increasing Livestock Yields

Back 24

Hormone supplements
US and Canada, not used in Europe

Front 25

Antibiotics

Back 25

40% of antibiotics produced in US are used in livestock operations
Problems with increased bacteria resistance- some bacteria are resistant to every antibiotic known

Front 26

Genetic Engineering

Back 26

Manipulation of genes by taking specific gene from a cell of one species and placing it into the cell of an unrelated species
Used to produce Genetically Modified (GM) food

Front 27

Safety in Genetic Engineering

Back 27

Determined to be safe for human consumption
Concerns about GMO seed or pollen spreading in wild
Currently does not appear to be an issue
Long term unknown

Front 28

Sustainable Agriculture

Back 28

Natural Predator-prey relationships instead of pesticides
Crop selection
Crop rotation and conservation tillage
Supplying nitrogen with legumes
Organic agriculture

Front 29

Integrated Pest Management (IPM)

Back 29

Limited use of pesticides with sustainable agriculture practices