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Chapter 3: Communities and Biomes

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

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