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Chapter 3: Communities and Biomes

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

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