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

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