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Chapter 3: Communities and Biomes

Practice Test
      
  1.The major difference between the tundra and taiga biomes is that tundra has _________.  
  a.   more trees  
  b.   longer summers  
  c.   a more southern range  
  d.   permafrost  
  Hint    
      
  2.Organisms inhabiting tropical rain forests might include __________.  
  a.   small trees and ravens  
  b.   bears and tortoises  
  c.   monkeys and toucans  
  d.   lichen and caribou  
  Hint    
      
  3.The biome with warm temperatures and high rainfall is __________.  
  a.   the grasslands  
  b.   the tropical rain forest  
  c.   the desert  
  d.   the temperate forest  
  Hint    
      
  4.A primary abiotic limiting factor of a desert biome is __________.  
  a.   water  
  b.   altitude  
  c.   too much sand  
  d.   lack of plant life  
  Hint    
      
  5.In the early stages of succession one might expect _________.  
  a.   simple food chains  
  b.   tremendous biodiversity  
  c.   complex food webs  
  d.   tropical rain forests  
  Hint    
      
  6.Communities in which fresh water and salt water mix are __________.  
  a.   estuaries  
  b.   marine  
  c.   usually deep  
  d.   planktonic  
  Hint    
      
  7.The conditions that dictate where an organism may live are called  
  a.   limiting factors  
  b.   the optimal range  
  c.   stress zones  
  d.   biological factors  
  Hint    
      
  8.A climax community for a deciduous forest may contain __________.  
  a.   many conifers  
  b.   mostly ferns  
  c.   grasslands  
  d.   oak and maple trees  
  Hint    
      
  9.After a forest fire, __________ occurs.  
  a.   primary succession  
  b.   a climax community  
  c.   community death  
  d.   secondary succession  
  Hint    
      
  10.Succession is __________ of an ecosystem.  
  a.   the orderly changes  
  b.   the destruction  
  c.   the creation  
  d.   the climax  
  Hint    
      
  11.The biome that has the greatest number of conifers is __________.  
  a.   the grasslands  
  b.   the taiga  
  c.   the desert  
  d.   the tropical rain forest  
  Hint    
      
  12.The optimum range of most organisms inhabiting marine biomes is __________.  
  a.   ideal for the species  
  b.   the photic zone  
  c.   its range of intolerance  
  d.   the aphotic zone  
  Hint    
      
  13.Which of the following is a terrestrial biome?  
  a.   pond  
  b.   ocean  
  c.   desert  
  d.   coral reef  
  Hint    
      
  14.Primary succession occurs on __________.  
  a.   burned areas in forests  
  b.   land exposed by glaciers  
  c.   disturbed grasslands  
  d.   abandoned fields  
  Hint    
      
  15.Lichens, mosses and ferns are called __________.  
  a.   limiting species  
  b.   consumers  
  c.   pioneer species  
  d.   abiotic factors  
  Hint    

 
   
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