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Chapter 3: Communities and Biomes

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

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