2. Explain why there would be more energy available to feed the human population if everyone was a vegetarian.
3. Discuss the molecule ozone and its role as being both beneficial and harmful to our health.
4. Provide a variety of examples to illustrate how plants and animals defend themselves.
5. Explain density dependent and density independent factors and provide at least two different examples of each.
6. Provide a plausible explanation to describe how a carbon atom from a corn plant in Iowa could end up as a sugar molecule in your body, and later be traced to a tree in Colorado.
7. Explain how the burning of fossil fuels could result in a rise in the temperature of the global environment.8. Name an endangered species. Why is it becoming endangered and what effects could losing that species have on the ecosystem in which it lives?
9. Is the human population subject to the constraints of environmental resistance factors? Explain.
10. How are biomes determined? Where do you live? What biome would best describe that location? Discuss the annual moisture levels, temperature range, and typical vegetation and animal assemblages that are found in that particular biome