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of 21 available terms

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5 Written Questions

5 Matching Questions

  1. food web
  2. chemical cycling
  3. biogeochemical
  4. tertiary consumers
  5. quaternary
  1. a these include hawks and are the highest level of the food chain
  2. b the transfer of materials within the ecosystem
  3. c a network of interconnecting food chains
  4. d animals that eat secondary consumers (snakes)
  5. e ecosystems involving biotic and abiotic

5 Multiple Choice Questions

  1. the passage of energy through the components of the ecosystem
  2. when no ecological succession begins in a virtually lifeless area with no soil
  3. where a disturbance destroys an existing community but left the soil intact
  4. chemical nutrients is stockpiled
  5. the breakdown of organic materials to inorganic ones

5 True/False Questions

  1. food chainthe sequence of food transfer up the trophic levels

          

  2. disturbancesevents such as fire, floods, droughts, overgrazing, or human activity that damage biological communities, remove organisms, and alter the availability of resourses

          

  3. ecosystemall the organisims in a community as well as the abiotic

          

  4. primary consumersherbivores which eat plants (insects birds)

          

  5. producersbottom of the foodchain (autotrophs)

          

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