Chapter 2: Systems
Chapter 6: Human Population
Chapter 5: Environmental Policy
Chapter 7: Sustainable Agriculture
Mystery
100
Nitrogen and oxygen are examples of these
Elements
100
This is the study of human populations.
Demography
100
The Cuyahoga River fires, as well as increased pollution, led to the creation of this organization in 1970.
EPA
100
This occurs when there is a loss of more than 10% productivity due to erosion, soil compaction, deforestation, overgrazing, drought, salinization, water depletion, climate change
Desertification
100
These are created through the process of genetic engineering
GMOs
200
These organisms can produce their own food using the sun's energy
Autotrophs
200
What is one change that could have led to decreases in fertility in the countries marked in blue?
family planning, access to contraception, education, affluence, women's rights
200
The way in which corporation and wealthy individuals can influence policy making
Lobbying
200
This is one way to protect soil from erosion
Crop rotation, contour farming, terracing, no-till, intercropping, shelterbelts, ground cover, agroforestry
200
This type of farming uses no synthetic fertilizers, insecticides, fungicides, or herbicides
Organic
300
These organisms convert nitrogen gas into ammonia
Nitrogen-fixing bacteria
300
What is happening to the age structure in this population over time?
Population is aging
300
This is one of the fours assumptions that a neoclassical economy operates under.
1. Resources and workers are infinite or substitutable.
2. Costs and benefits are internal and experienced only by the buyer and seller.
3. Future effects are discounted because short-term effects are more important.
4. Economic growth is always good.
300
This uses a pest’s natural enemies to control the pest
Biological control (biocontrol)
300
This describes the buildup of salts in surface soil layers
Salinization
400
This is the form of nitrogen plants can take up
Nitrates (NO3)
400
This figure illustrates the philosophy of this person towards overpopulation.
Karl Marx
400
This is an economic policy tool in which a government gives away cash or resources to encourage a particular industry or activity
Subsidy
400
The A horizon of soil is also called this.
Topsoil
400
This process creates hypoxic dead zones in bodies of water
Eutrophication
500
Denitrifying bacteria convert nitrates to this final product that can be returned to the atmosphere
Gaseous nitrogen (N2)
500
In a demographic transition, A represents ____ rate, and B represents ____ rate.
Birth rate; death rate
500
The first wave of US environmental policy was driven by the consequences of these two land-use acts from the 1870's.
General Mining Act, Timber Culture Act
500
This animal costs the most resources to maintain and is the least energy efficient
Beef
500
This model estimates the impact of population growth on natural resources and ecosystem services
IPAT model