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

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