Chapter 10 – Biodiversity Study Guide
1. Members of a population may be prone to inherit genetic diseases if
a. The level of genetic diversity of the population is high
b. Inbreeding takes place frequently within the population
c. A variety of habitats are available to the population
d. Interaction between populations takes place in an ecosystem
2. The fact that organisms are adapted to survive in particular environments helps to explain why
a. Captive-breeding programs are often ineffective
b. Non-native plant species never flourish in new areas
c. Habitat destruction accounts for most extinctions
d. Compromise is impossible environmental issues
3. It is often difficult to save individual species because
a. Small populations are more prone to disease
b. Inbreeding may result in genetic disorders
c. Captive species may not reproduce in the wild
d. All of the above
4. What level of biodiversity is most commonly equated with the over concept of biodiversity?
a. Genetic diversity
b. Species diversity
c. Ecosystem diversity
5. What are some of the unique ecosystems of the United States?
a. In Pacific Northwest and California
b. In the Florida Everglades and Hawaii
c. Both a and b
d. None of the above
6. Many more species are estimated to exist than the 1.7 million known to science. To which groups, do most of the unknown
species belong?
7. Reasons for preserving biodiversity include all of the following except
a. Isolating unique genetic material so it ca be incorporated into existing crops
b. Increasing the chances of discovering organisms with medicinal value
c. Preventing natural evolution
d. Finding new plants that can supplement the world’s food supply
8. An endangered species is
9. How did the CITES treaty reduce the slaughter elephants?
a. It offered a bounty to tribal leaders for identifying poachers
b. It banned imports and exports of all ivory worldwide
c. It limited sales of ivory to the antique market
d. Both a and c
10. In what part of the world are the greatest number of extinctions occurring?
11. What human activities have influenced recent extinction events?
a. Habitat destruction
b. Poaching
c. Introducing exotic species
d. All of the above
12. Which of the following is not a provision of the Endangered Species Act?
a. No products from endangered or threatened species may be sold
b. Protected plants may be uprooted
c. Government projects may not further endanger endangered species
d. A species recovery plan must be created
13. Preserving entire ecosystems rather than individual species is a good conservation strategy because
a. Only endangered species will be saved
b. Developers will have greater access to land
c. More than one species can be saved
d. It will not be necessary for environmentalists to study the ecosystem
14. What groups of organisms are most in danger of extinction?
a. Those with small populations
b. Those that migrate or need special habitats
c. Those with large populations that breed quickly
d. Both a and b
15. The human diet has been enriched with native food products such as sweet potatoes, beans tomatoes, and corn that come
from
a. Pacific Islands
b. Southwest Asia
c. Madagascar and Africa
d. Central and South America
16. Reintroducing the gray wolf in certain areas of the northwestern U.S.
a. Is beneficial for all of those working in that area
b. Creates a mutualist interaction between wolves and elks
c. Is in accordance with the U.S. Endangered Species Act of 1973
d. Discourages hunters from hunting other animals
17. Why are there so many species still unknown to modern science?
a. Many of these species are found in remote environments
b. Smaller species receive less attention than large organisms
c. Cataloging these species is a huge task
d. All of the above
18. The International Union for Conservation of Nature and Natural Resources (IUCN)
a. Is known for trying to save endangered species through dramatic, attention-grabbing protests
b. Is an organization of multinational corporation
c. Is a collaboration of about 200 governmental agencies and 700 private conservation groups from around the world
d. Was disbanded after the Earth Summit of 1992
19. How does preserving biodiversity come into conflict with human interacts?
a. Additional land is used for agriculture or housing in response to population growth
b. Species may represent food or a source of income
c. Species may represent food or a source of income
d. None of the above
20. Which of the following is not one of the ways in which coral reefs are threatened by human activities?
a. Development along waterways
b. Creation of artificial reefs
c. Overharvesting of fish
d. Pollution
21. Which of the following would not be illegal under the Endangered Species Act?
a. Capturing a wild animal listed as a threatened species for exhibition in a zoo, provided the animal was well cared for
b. Digging up an endangered plant in your backyard and selling it
c. Destroying the habitat of an endangered plant during the building of a federal highway
d. Having a permit to capture an endangered species
22. How many species are estimated to be living on Earth?
23. Which would be most effective in slowing the loss of biodiversity?
a. Freezing fertilized eggs of endangered animals in case these species become extinct in the wild
b. Setting aside small plots of land in a variety of ecosystems such as forests, grasslands, and marshes
c. Creating large parks/preserves in biodiversity hotspots
d. Requiring every country to maintain a seed bank
24. Where are many critical biodiversity hotspots located?
a. Cities and developed areas of the world
b. Islands, tropical rainforests, and coastal areas
c. Desert and polar environments
d. All of the above
Define the following terms
25. Genetic biodiversity
26. Endemic species
27. Biodiversity
28. Keystone species
29. Ecosystem diversity
30. Biotechnology
31. Biodiversity hotspots
32. Ecotourism
33. Captive breeding
34. Poaching
35. Keystone species
36. Exotic species
37. Extinct species
38. Threatened species
39. Sustainable land use
40. Vertebrates
41. Habitat conservation plan
42. Insects
43. Fungi
44. Biodiversity hotspot