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Chapter 3: Communities and Biomes

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

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