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Unit 8: The Biosphere

Practice Test
  1.What kind of ecologist is concerned with issues of transportation, housing, and electricity?  
  a.   wildlife ecologist  
  b.   urban ecologist  
  c.   marine ecologist  
  d.   freshwater ecologist  
  2.One kilogram of grain yields the least biomass when eaten by which of the following primary consumers?  
  a.   hogs  
  b.   poultry  
  c.   beef cattle  
  d.   fish  
  3.If Earth were a village of 1000 people, which of the following religions would be practiced by the greatest number of people in the village?  
  a.   Judaism  
  b.   Christianity  
  c.   Islam  
  d.   Hinduism  
  4.What kind of sustainable activities can be used for waste cans and bottles?  
  a.   composting  
  b.   recycling  
  c.   repairing  
  d.   cultivating  
  5.What kind of organisms are carnivores?  
  a.   producers  
  b.   consumers  
  c.   primary consumers  
  d.   decomposers  
  6.Which of these is an example of a sustainable activity for used motor oil?  
  a.   composting  
  b.   recycling  
  c.   cultivating  
  d.   repairing  
  7.What is the process by which land becomes too salty to grow crops?  
  a.   habitat destruction  
  b.   overpopulation  
  c.   extinction  
  d.   salinization  
  8.In what city was the first United Nations Conference on the Human Environment held in 1970?  
  a.   New York  
  b.   Washington, D.C.  
  c.   Stockholm  
  d.   Rio de Janeiro  
  9.What is defined as meeting the needs of the present without compromising the ability of future generations to meet their own needs?  
  a.   biodiversity  
  b.   population density  
  c.   sustainable development  
  d.   ecological niche  
  10.What is a large valley in central California?  
  a.   western Amazonia  
  b.   San Juaquin Valley  
  c.   Tennessee Copper Basin  
  d.   Sacramento Valley  

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