Download Chapter 11 Reading Questions:

Chapter 11 Reading Questions:
1. Explain what happened to passenger pigeons.
23. Why are island species especially vulnerable.
2. Describe three types of extinction.
24. What is HIPPO?
3. Explain difference between an endangered
species and a threatened species.
25. Why is habitat fragmentation a cause of species
extinction?
4. What characteristics make organisms vulnerable
to extinction?
26. What are the key issues related to the loss of
bird species?
5. What make organisms vulnerable to extinction?
27. What is the #1 killer of birds?
6. How many organisms in the U.S are vulnerable?
28. What are the key ecological roles that birds play
in their ecosystems?
7. What are three problems with cataloging
extinction?
29. How did the loss of a bird species in India cause
the death of many humans?
8. What is the IUCN & Red List?
30. How are introduced species beneficial?
9. What is wrong with the Red List?
31. How much do introduced species cost the U.S.?
10. How do scientists predict future extinction
rates?
11. How have extinction rates changed because of
humans?
12. Why is an extinction rate of 0.1 to 1 %
conservative?
32. Do the advantages of kudzu in reducing erosion
and perhaps as a source of tree-free paper
outweigh its disadvantages?
33. How do introduced species cause the extinction
of wildlife?
34. How are organisms introduced accidentally?
13. Why is a loss of biodiversity an issue?
14. Why are bats prone to extinction?
15. What important roles do bats play?
16. How long does it take to recover from mass
extinction?
17. How do we benefit from a diverse # of species?
18. What are the disadvantages of ecotourism?
What are some solutions to these disadvantages?
19. Explain the concepts of biophilia and biophobia.
20. What is the greatest threat to wildlife?
21. Which activity is the greatest eliminator?
22. What other activities eliminate species?
35. What happened to fire ants when we tried to
limit their spread with pesticides?
36. How can we prevent the introduction of nonnative species
END of ASSIGNMENT 1!
37. How are pesticides threatening extinction of
some species?
49. What improvements could be made to the ESA?
38. Describe the story of DDT use in U.S.
50. Describe the potential ecosystem protection act.
39. What % of terrestrial species are threatened by
global warming?
51. What 4 reasons describe the ESA as being
successful?
40. Why do people smuggle animals illegally?
52. Why was the first wildlife refuge established?
41. Why are most bird species endangered?
53. What is causing the degradation of wildlife
refugees (describe all of them)
42. List several species who’s populations are
depleted because of the pet trade.
54. What is the purpose of gene banks, botanical
gardens and wildlife farms?
43. How are most tropical fish caught?
44. Explain the effect of bushmeat on wildlife
populations.
45. Describe CITES, CBD & ESA & explain how
each is limited.
55. How can zoos & aquariums help endangered
wildlife?
56. What is the ultimate goal of captive breeding
programs?
57. How are zoos and aquariums limited?
46. Describe two methods to encourage private
landowners to protect endangered wildlife.
58. What is reconciliation ecology?
47. Why do people appose the ESA?
59. How can we implement reconciliation ecology?
48. How has the ESA been limited?
60. What can you do to protect species?