Water resources

• Do you understand the hydrological cycle?
• What is evapotranspiration?
• What is water in the U.S. used for? Internationally? (relative percentages)
• What is an aquifer? Why do I care about its recharge and discharge areas
• What are the pros and cons of ‘additional’ water sources? (groundwater, cloud seeding, dams, diversions, desalination, conservation)

Soil and Food Resources

• What are soil horizons?
• Why does tropical ranforest have shallow topsoil?
• What are the forces behind soil erosion?
• What are the effects of soil erosion?
• Which anthropogenic activities cause soil erosion?
• What are some soil conservation methods
• Why should we worry about world food production?
• Why is it worrisome that 4 staple crops supply most of the world’s food?
• How can we make more food available to the ‘world market’
• What is integrated pest management?

Population Dynamics

• What is exponential population growth?
• What is carrying capacity?
• What determines whether a population size changes?
• What are the factors that affect birth rate? EXPLAIN.
• What is cultural carrying capacity?
• What is people ocerpopulation versus consumption overpopulation
• Who has the higherst per capita resource use?
• How would you deal with overpopulation?

Natural Selection (3/3/2008):

• What is the heritable material passed from parent to offspring?
• What is a gene? An allele?
• How does genetic variation arise?
• What is the technical definition of evolution?
• What are the four principle mechanisms of evolutionary change?
• What are the requirements for Natural Selection?
• Do you understand Natural Selection?
• What are the three types of evolution? Can you define them?