10. Levels of biodiversity created by several stories of treetops, which provide
ID: 48514 • Letter: 1
Question
10. Levels of biodiversity created by several stories of treetops, which provide much living space for different animal species is called a. species diversity b. population diversity C. habitat diversity d. ecosystem diversity e. none of the above 11. If CO2 continues to increase at the same rate, we may expect a. a 2-3 EC increase in average annual temperature by 2100. b. a 10-15 EC increase in average annual temperature 5 years. c. a 2-3 EC decrease in average annual temperature by 2000. d. a general shift southward of ecological communities on our continent. e. weather patterns to remain stable. 12. The greenhouse effect is so named because: a. ultra-violet light is trapped in the Earth?s atmosphere due to greenhouse gases. b. long-wavelength light re-radiated from the Earth?s surface is trapped n the Earth?s atmosphere by greenhouse gases c. many infrared gases escape since no greenhouse gases are present. d. none of the above. 13. Two similar flasks of growth media are inoculated with bacteria at the same time. Flask S receives 8,000 cells of bacterium S and flask T receives 20 cells of bacterium T. Exponential growth proceeds immediately in both flasks. After 10 hours there are 32,000 S cells in flask S and 640 T cells in flask T. Which of the following is/are true? a. Bacterium S grows faster than bacterium T. b. Fewer cells were produced in flask S and in flask T.Explanation / Answer
10. A
11 A
12 A
13 A
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