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Chapter 3: Communities and Biomes

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

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