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1. THIS IS Jeopardy

2. Your With Host... YOUR NAME

3. Jeopardy Pollution Earths Systems and Resources The Living World Population Land and Water Use Energy 100 100 100 100 100 100 200 200 200 200 200 200 300 300 300 300 300 300 400 400 400 400 400 400 500 500 500 500 500 500

4. The smallest particle of soil is known as • Clay • Sand • Silt • Gravel • Humus A 100

5. Clay A 100

6. The horizon of soil also known as the topsoil layer, that contains humus, minerals, and roots, and that is rich in living organisms is known as the • A layer • B layer • C layer • D layer • O layer A 200

7. A layer A 200

8. The surface with the lowest albedo • Snow • Ocean water • Forest • Desert • Black topsoil A 300

9. Black topsoil A 300

10. Which of the following conditions may indicate an El Nino? • Sea surface warms, trade winds strengthen • Sea surface warms, trade winds weaken • Sea surface cools, trade winds strengthen • Seas surface cools, trade winds weaken • None of the above A 400

11. Sea surface warms, trade winds weaken A 400

12. Of the freshwater on Earth that is not trapped in snow packs or glaciers, most of it (95%) is trapped in • Lakes • Rivers • Aquifers • Dams • Estuaries, marshes, bogs A 500

13. Aquifers A 500

14. Warm year-round, prolonged dry seasons, scattered trees is this biome • Tropical rain forest • Temperate deciduous forest • Savanna • Taiga • Tundra B 100

15. Savanna B 100

16. All of the following are factors that increase population size EXCEPT • Ability to adapt • Specialized niche • Few competitors • Generalized niche • High birthrate B 200

17. Specialized niche B 200

18. The two ways in which humans have most interfered with the carbon cycle are • Burning of fossil fuels and removal of trees and brush • Aerobic respiration and burning fossil fuels • Removal of forests and aerobic respiration • Combustion and causing volcanic eruptions • Combustion and aerobic respiration B 300

19. Burning of fossil fuels and removal of trees and brush B 300

20. Species that serve as early warnings of environmental damage are called • Keystone species • Native species • Specialist species • Indicator species • Generalist species B 400

21. Indicator species B 400

22. Energy • Recycles through an ecosystem • Is used over and over again • Flows in only one direction through an ecosystem • Tends to be concentrated in living organisms • None of the above B 500

23. Flows in only one direction through an ecosystem B 500

24. If a population doubles in about 70 years, it is showing a ___% growth rate. • 1 • 5 • 35 • 140 • 200 C 100

25. 1% C 100

26. A density independent factor would include all of the following EXCEPT • Drought • Fires • Predation • Flooding • All of the above are indensity dependent C 200

27. Predation C 200

28. All of the following are characteristics of K-strategists EXCEPT • Mature slowly • Low juvenile mortality rate • Niche generalists • Type I or Type II survivorship curve • Intraspecific competition due to density dependent limiting factors C 300

29. Niche generalists C 300

30. DAILY DOUBLE DAILY DOUBLE Place A Wager C 400

31. All of the following factors tend to cause women to have fewer children EXCEPT • Higher education • High infant mortality • Better prenatal care • Birth control education • Human rights are protected C 400

32. High infant mortality C 400

33. If a city with a population of 100,000 experiences 4000 births, 3000 deaths, 500 immigrants, and 200 emigrants, within the course of one year, what is the net annual percentage growth rate? • 0.3% • 1.3% • 13% • 101.3% • 130% C 500

34. 1.3% C 500

35. The greatest threat to the success of a species is • Environmental pollution • Loss of habitat • Poaching • Hunting • Introduction of new predators into the natural habitat D 100

36. Loss of habitat D 100

37. Most grain that is grown in the US is used • For export to countries that need grain • For cereals and baked goods • To feed cattle • For trade with other countries • To create fuel D 200

38. To feed cattle D 200

39. The second law of thermodynamics would tend to support • People eating more meat than grain • People eating more grain than meat • People eating about the same amount of grain as meat • People being undernourished • People eating a balanced diet from all food groups D 300

40. People eating more grain then meat D 300

41. A predicament where the cost of applying pesticide increases while their effectiveness decreases is called: • Resistance management • Bioaccumulation • Persistence • Endocrine disruptors • Pesticide treadmill D 400

42. Pesticide treadmill D 400

43. The process least likely to conserve soil nutrients is • Crop rotation • Fertilizing with compost • Irrigation • Fertilizing with inorganic fertilizers • Both B and C D 500

44. irrigation D 500

45. Which of the following nonrenewable energy source has the least environmental impact? • Gasoline • Coal • Oil shale • Tar sands • Natural gas E 100

46. Natural Gas E 100

47. Which of the following is NOT an advantage of building a hydroelectric power plant? • Low pollution • High construction cost • Relatively low operating costs • Control flooding • Moderate to high net useful energy E 200

48. High construction costs E 200

49. Today, most of the world’s energy comes from • Natural gas, coal, and oil • Oil, wood, and hydroelectric • Hydroelectric, solar and biomass • Coal, oil, nuclear • Natural gas, hydroelectric and oil E 300

50. Natural gas, coal, and oil E 300