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Chapter 3: Communities and Biomes

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

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