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Chapter 3: Communities and Biomes

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

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