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5 Written Questions

5 Matching Questions

  1. bioaccumulation
  2. pioneer species
  3. community
  4. denitrification
  5. assimilation
  1. a accumulation of a substance in various tissues of a living organism
  2. b formed from populations of different species occupying the same geographic area
  3. c organisms in first stage of succession
  4. d (nitrogen cycle step 3) plant absorbs ammonium (NH3) and nitrate ions (NO3) through roots
  5. e nitrogen cycle step 4) specialized bacteria convert ammonia to NO3, NO2, AND N2 and releases back to atmosphere

5 Multiple Choice Questions

  1. organisms that consume producers (plants and algae)
  2. survival of the fittest
  3. total sum of species' use of resources in environment
  4. complex interrelated food chains
  5. (nitrogen cycle step 1) conversion of atmospheric nitrogen into compounds (ammonium)

5 True/False Questions

  1. secondary consumersorganisms that consume secondary consumers or other tertiary consumers


  2. parasitismrelationship where 1 is helped, and 1 is harmed


  3. fundamental nichetotal sum of species' use of resources in environment


  4. Gross Primary Productivityamount of energy that plants pass on to the community


  5. producerorganism that can convert radiant energy or chemical energy to carbs


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