08 – Food

 

 

 

1. Food Production

a) Explain how food is produced in the U.S., and at least one undeveloped country.

b) What has made the industrialization of agriculture possible?

c) Describe the three main approaches that governments use to provide assistance to farmers, and consumers. Explain the pros and cons of each.

2. Food Problems

a) The world's major food problems are caused by differences in soil, climate, political power, economic power, and average income. Explain each problem and provide a solution for each.

b) Explain how nearly one hundred percent of the world’s people obtain their food energy from plants while approximately sixty-six percent of American’s obtain their food energy from plants. Give examples and references.

c) Would increasing crop yields and cultivating more land solve the world's food problems?

d) Explain the problems with expanding cultivated lands into tropics, and arid regions.

3. Energy needed to produce food.

a) How much energy is needed to grow one unit of food energy in the U.S.?

b) Why is there more energy needed to produce one pound of hamburger, than there is to produce one pound of corn?

4. Nutrition

a) Distinguish between nutrition, malnutrition, under-nutrition, and over-nutrition.

Note: Refer to the following link for assistance.

                       (Causes of Undernourishment and Malnourishment)

b) What is the primary cause of hunger, and malnutrition in the world?

c) How many chronically malnourished people are there in the world?

d) About how many people die each year from under-nutrition, malnutrition, or conditions worsened by malnutrition?

e) What are the three main ways to reduce hunger, malnutrition, and harmful environmental effects?

5. Types of Food Production

a) Describe in detail aquaculture, hydroponics, and agriculture.

b) Distinguish between fish farming, and fish ranching.

c) Describe the pros, and cons of aquaculture.

d) Describe limitations on harvesting the ocean, and indicate how cultivating fish in aquaculture farms and ranches can result in greater food production.

6. Types of crops.

a) What three crops provide most of the world's food?

b) Describe the differences between monoculture, and polyculture.

c) Name the four types of inter-planting, and explain their advantages over monoculture

d) Define organic farming.

7. The Green Revolution

a) Describe the three steps of the Green Revolution?

b) Distinguish between the first, and second Green Revolutions.

c) Explain the effect of the “Green Revolution” on crop production, and its current status.

d) Describe how food production increased, and the environmental effects due to the Green Revolution.

e) Explain how producing more food, on less land can help protect biodiversity.

8. Genetically Engineered Foods

a) Describe how genetically improved crop strains are developed by crossbreeding, and genetic engineering. Go to the web.  Be very clear on how they are different.

b) Describe the pros, and cons of growing more food by genetic engineering.

c) Why should we be concerned about loss of genetic diversity in agricultural crop strains?

9. Explain why the eating of grain products would be more beneficial to the environment, than eating meat. What does the statement " eat lower on the food chain " mean?

10. Agriculture Pests

a) What are pests?

b) What are pesticides?

c) Describe the principal types of pesticides being used.

d) Explain the advantages, and disadvantages of using chemicals (insecticides and herbicides) to kill insects, and weeds.

e) Name three alternatives to using conventional pesticides, and the advantages, and disadvantages of each.

f) How is pesticide usage regulated in the U.S.?