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5 Written questions

5 Matching questions

  1. gause's principle
  2. ammonification
  3. respiration
  4. realized niche
  5. Net Primary Productivity
  1. a when a species settles for a smaller niche after battling against another species
  2. b no 2 species can occupy same niche at same time
  3. c where animals and plants breathe and give off CO2 from cellular metabolism
  4. d amount of energy that plants pass on to the community
  5. e production of ammonia or ammonium compounds in the decomposition of organic matter by bacteria

5 Multiple choice questions

  1. (nitrogen cycle step 1) conversion of atmospheric nitrogen into compounds (ammonium)
  2. organism that nourishes oxidation of inorganic chemical compounds, instead of photosynthesis
  3. organisms in first stage of succession
  4. group of organisms of same species and same area
  5. 10% of energy is transferred from 1 level to the next, 90% given off as heat, respiration, digestion, etc.

5 True/False questions

  1. nichepioneer organisms, settle uninhabitable area and decomposes rocks to turn to soil, later lose to immigrants


  2. photosynthesiswhere 2 ecosystems meet


  3. food websmaller regions in ecosystems that share similar physical features


  4. assimilationwhere animals and plants breathe and give off CO2 from cellular metabolism


  5. predation1 species feeds off another