Natural Systems Under Stress - Plan B 3.0 Chapter 5

15 Questions | Total Attempts: 119

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Natural Systems Under Stress - Plan B 3.0 Chapter 5

A quiz over chapter 5 from Plan B 3. 0 by Lester Brown. This is a homework assignment for AP Environmental Science at Paschal High School. It must be completed by Sunday November 28th at 10pm.


Questions and Answers
  • 1. 
    What small country of 2 million people is embedded within South Africa?(pg 86 - spelling counts!)
  • 2. 
    Why did Thailand announce a nationwide ban on tree cutting in 1989?
    • A. 

      Due to a shortage of trees

    • B. 

      Severe Flooding and heavy loss of life in landslides

    • C. 

      Reduced crop harvest

    • D. 

      Because of species loss

  • 3. 
    At the biginning of the twentieth century, the eath's forested area was estimated at 5 billion hectares. since then it has shrunk to just under ___ billion hectares.
  • 4. 
    How many acres are in a hectare?
  • 5. 
    How big is a hectare?
    • A. 

      10,000 square meters

    • B. 

      1,000 square meters

    • C. 

      100 square meters

    • D. 

      100,000 square meters

  • 6. 
    Mongolia imports ____  percent of their wheat
    • A. 

      20%

    • B. 

      40%

    • C. 

      60%

    • D. 

      80%

  • 7. 
    _______________________ - land that is too dry, too steeply sloping, or not fertile enough to sustain crop production. (Spell correctly!)(found in section: From Grassland to Desert)
  • 8. 
    Who is the head of Iran's Anti-Desertification Organization? (Spelling counts!)
  • 9. 
    In the section (Advancing Deserts)Over the last half-century, some _______________ villages in northern and western China have been entirely or partly abandoned as a result of being overrun by drifting sand.
    • A. 

      1500

    • B. 

      500

    • C. 

      12000

    • D. 

      24000

    • E. 

      100,000

  • 10. 
    In 2003 a landmark study by a Canadian-German research team pulbished in Nature (a highly respected journal) concluded that ______ opercent of the large fish in the oceans had disappeared over the last 50 years.
    • A. 

      50%

    • B. 

      25%

    • C. 

      75%

    • D. 

      33%

    • E. 

      90%

  • 11. 
    Approximatley ____ percent of the coreal reefs in the Caribbean ocean are threatened by pollution from cruise ship discharges.
    • A. 

      15%

    • B. 

      10%

    • C. 

      5%

    • D. 

      2%

    • E. 

      33%

  • 12. 
    In 2006 the US experienced a major decline in its principal pollinator - which is a type of
    • A. 

      Bird

    • B. 

      Bat

    • C. 

      Beetle

    • D. 

      Deer

    • E. 

      Bee

  • 13. 
    The leatherback turtle, one of the most ancient animals, which can reach a weight of 360 kilograms (which is how many pounds???) has dropped in population from 115,000 in 1982 to ___________ in 1996
  • 14. 
    The ________________ is a Europe-sized savanna-like region south of the Amazon basin.
  • 15. 
    Introduced or alien species are implicated in ___ percent of all the plants listings on the IUCN Red List.
    • A. 

      5%

    • B. 

      10%

    • C. 

      15%

    • D. 

      20%

    • E. 

      25%

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