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Chapter 3: Communities and Biomes

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

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