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5 Written questions

5 Matching questions

  1. reservoir
  2. respiration
  3. ecotones
  4. population
  5. primary succession
  1. a ecological succession begins in a near lifeless area
  2. b where animals and plants breathe and give off CO2 from cellular metabolism
  3. c where 2 ecosystems meet
  4. d where large quantity of resources sits for long time
  5. e group of organisms of same species and same area

5 Multiple choice questions

  1. burning
  2. formed from populations of different species occupying the same geographic area
  3. # and variety of organisms in an area (ecosystem) more of it leads to better adaptability and chances of survival
  4. pioneer organisms, settle uninhabitable area and decomposes rocks to turn to soil, later lose to immigrants
  5. relationship where both species benefit

5 True/False questions

  1. nitrogen fixation(nitrogen cycle step 2) bacteria in soil convert ammonium (NH4+) to nitrate or NO3.


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


  3. pioneer speciesa species whose presence contributes to ecosystem's diversity and whose extinction would destroy other life forms


  4. chemotrophorganism that nourishes oxidation of inorganic chemical compounds, instead of photosynthesis


  5. photosynthesiswhere 2 ecosystems meet


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