Section #: 27.1 Population and the Use of Natural Resources

Practice Test
      
  1.Why are ecosystems with high biodiversity more stable than those with fewer species? SC.G.2.4.2  
  a.   They have a higher number of species.  
  b.   They recover from negative events more quickly.  
  c.   They have a higher growth rate.  
  d.   They have a higher carrying capacity.  
  Hint    
      
  2.Which population curve represents a sustaining population? SC.G.2.4.2



 
  a.   A  
  b.   both  
  c.   B  
  d.   neither  
  Hint    
      
  3.What is the carrying capacity of an environment? SC.G.2.4.2  
  a.   the human impact  
  b.   the total number of limiting factors  
  c.   the number of organisms it can support  
  d.   the equivalent of the human growth rate  
  Hint    
      
  4.What is an example of an organism changing its environment to better meet its needs?  
  a.   a turtle living in a slow-moving stream  
  b.   a beaver building a dam  
  c.   a human taking a breath of air  
  d.   a bird eating grass seed  
  Hint    
      
  5.What eventually causes a population to stop increasing in size? SC.G.2.4.2  
  a.   carrying capacity  
  b.   death rate  
  c.   human impact  
  d.   limiting factors  
  Hint    
      
  6.Which is NOT an effect of increased urbanization? SC.G.2.4.6  
  a.   increase of flooding  
  b.   increase of natural habitats  
  c.   decrease of wetlands  
  d.   increasing volumes of solid waste  
  Hint    
      
  7.As any population __________, its demand for natural resources __________. SC.G.2.4..2  
  a.   increases, increases by 50 percent  
  b.   increases, increases  
  c.   increases, decreases  
  d.   decreases, increases  
  Hint    

 
   
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