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Chapter 3: Communities and Biomes

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

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