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5 Written questions

5 Matching questions

  1. assimilation
  2. photosynthesis
  3. lichens
  4. invasive species
  5. nitrogen fixation
  1. a (nitrogen cycle step 1) conversion of atmospheric nitrogen into compounds (ammonium)
  2. b carbs are synthesized from CO2 and H2O using light as energy source
  3. c an introduced, nonnative species
  4. d pioneer organisms, settle uninhabitable area and decomposes rocks to turn to soil, later lose to immigrants
  5. e (nitrogen cycle step 3) plant absorbs ammonium (NH3) and nitrate ions (NO3) through roots

5 Multiple choice questions

  1. accumulation of a substance in various tissues of a living organism
  2. releasing water vapor through stomata of plants or pores
  3. where 2 ecosystems meet
  4. dependent on other complex organisms for food
  5. there is a greater species diversity and biological density than in the center of the ecological community

5 True/False questions

  1. Gross Primary Productivityamount of sugar that plants produce in photosynthesis ------ amount of energy that plant needs for growth, repair, etc.

          

  2. populationgroup of organisms of same species and same area

          

  3. pioneer speciesorganisms in first stage of succession

          

  4. gause's principlewhen a species settles for a smaller niche after battling against another species

          

  5. combustionburning

          

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