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Chapter 3: Communities and Biomes

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

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