Chapter 16 Human Impact on Ecosystems

1. Chapter 16 Human Impact on Ecosystems

3. Question 1 - 10 • Resources that cannot be used up or can replenish themselves over time are called __________________ .

4. Answer 1 – 10 • Renewable Resources

5. Question 1 - 20 • Resources that are used faster than they form are called ________________ .

6. Answer 1 – 20 • Nonrenewable Resources

7. Question 1 - 30 • The amount of land necessary to produce and maintain enough food and water, shelter, energy, and waste

8. Answer 1 – 30 • Ecological Footprint

9. Question 1 - 40 • People from what type of countries have the smallest ecological footprint

10. Answer 1 – 40 • Developing

11. Question 1 - 50 • What was the main resource that was over exploited on Easter Island?

12. Answer 1 – 50 • Trees

13. Question 2 - 10 • Any undesirable factor, or pollutant, that is added to the air, water, or soil

14. Answer 2 – 10 • Pollution

15. Question 2 - 20 • The type of precipitation produced when pollutants in the water cycle cause rain pH to drop below normal levels

16. Answer 2 – 20 • Acid Rain

17. Question 2 - 30 • The trend of increasing global temperatures is known as ______________.

18. Answer 2 – 30 • Global Warming (Climate Change)

19. Question 2 - 40 • The type of air pollution caused by the interaction of sunlight with pollutants produced by fossil fuel emissions

20. Answer 2 – 40 • Smog

21. Question 2 - 50 • The process of greenhouse gases absorbing infrared radiation is called the _________________

22. Answer 2 – 50 • Greenhouse Effect

23. Question 3 - 10 • The process of a pollutant accumulating in higher concentrations as it moves up the food chain (to higher trophic levels)

24. Answer 3 – 10 • Biomagnification

25. Question 3 - 20 • A species that provides a sign, or indication, of the quality of the ecosystem’s environmental conditions

26. Answer 3 – 20 • Indicator Species

27. Question 3 - 30 • Which organism would be most affected by biomagnification? • Corn • Deer • Wolf

28. Answer 3 – 30 • Wolf

29. Question 3 - 40 • What pollutant increases in bodies of water in direct correlation with the presence of the bedrock Granite?

30. Answer 3 – 40 • Mercury

31. Question 3 - 50 • What type of fat-soluble pollutant harmed developing eggs and affected the nervous system of Forester’s tern (a bird species native to coastal regions)

32. Answer 3 – 50 • PCBs

33. Question 4 - 10 • Loss of _____________ is one of the main causes of declining biodiversity.

34. Answer 4 – 10 • Habitat

35. Question 4 - 20 • _____________ species can disrupt stable relationships in an ecosystem by crowding out native species

36. Answer 4 – 20 • Introduced/Invasive

37. Question 4 - 30 • ________________ occurs when a barrier forms that prevents an organism from accessing its entire home range

38. Answer 4 – 30 • Habitat Fragmentation

39. Question 4 - 40 • One method of reducing the impact of habitat fragmentation is to build habitat _____________.

40. Answer 4 – 40 • Corridors

41. Question 4 - 50 • What type of population caused an estimated $65million loss of revenue on Australian farms in the 1993-1994 season?

42. Answer 4 – 50 • Mice

43. Question 5 - 10 • ________________ is the practice in which natural resources are used and managed in a way that meets the current needs without hurting future generations.

44. Answer 5 – 10 • Sustainable Development

45. Question 5 - 20 • The name of a species that gets placed on the endangered species list and as a result of that species being protected benefits many other organisms in the ecosystem.

46. Answer 5 – 20 • Umbrella Species

47. Question 5 - 30 • What is the name of the agency created that has paved the way for laws such as the Clean Air Act, Clean Water Act, and Endangered Species Act?

48. Answer 5 – 30 • Environmental Protection Agency

49. Question 5 - 40 • What has been the main cause of the depletion of fish populations worldwide?

50. Answer 5 – 40 • Overfishing