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Unit 8: The Biosphere

Practice Test
  1.What term describes a population's role in the ecosystem?  
  a.   population density  
  b.   habitat  
  c.   ecological niche  
  d.   biodiversity  
  2.What is the part of Earth where all organisms live?  
  a.   ocean  
  b.   community  
  c.   atmosphere  
  d.   biosphere  
  3.Modifying rice farming parctices to accommodate migratory waterfowl is an example of what?  
  a.   sustainable aquaculture  
  b.   recycling  
  c.   composting  
  d.   sustainable agriculture  
  4.In what city was the first United Nations Conference on the Human Environment held in 1970?  
  a.   Rio de Janeiro  
  b.   New York  
  c.   Washington, D.C.  
  d.   Stockholm  
  5.If Earth were a village of 1000 people, which of the following groups would have the most representatives in the village?  
  a.   Asians  
  b.   Americans  
  c.   Africans  
  d.   Europeans  
  6.What kind of organisms are carnivores?  
  a.   consumers  
  b.   decomposers  
  c.   producers  
  d.   primary consumers  
  7.What kind of sustainable activities can be used for household items?  
  a.   repairing  
  b.   planting  
  c.   composting  
  d.   cultivating  
  8.What kind of sustainable activities can be used for newspapers?  
  a.   repairing  
  b.   recycling  
  c.   cultivating  
  d.   planting  
  9.What group organized the Earth Summit held in 1992?  
  a.   European Union  
  b.   World Bank  
  c.   United Nations  
  d.   United States  
  10.People in India consume about 200 kilograms of grain per year per person. People in the United States consume about 800 kilograms of grain per year per person. How many Indian people can be supported by the amount of grain consumed by an American?  
  a.   eight  
  b.   six  
  c.   four  
  d.   two  

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