NAME: ________________________

Biosphere at Risk Exam 1 Test

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5 Written Questions

5 Matching Questions

  1. specialists
  2. keystone species
  3. scientific method
  4. amensalism
  5. commensalism
  1. a narrow, confined conditions and organism needs to survive i.e. koala bear
  2. b a formalized method for testing ideas with observations that involves several assumptions and a more or less consistant series of steps
  3. c a species that has an especially far-reaching effect on a community
  4. d when one species is harmed while the other feels no effect whatsoever
  5. e when one species is benefited while the other feels no effect whatsoever

5 Multiple Choice Questions

  1. distraction from argument
  2. a community that remains unchanging until a disturbance cause it to change, now thought to be more variable than this
  3. the space a species actually has due to other organisms or limitations
  4. the sum total of living things on Earth and the areas that inhabit
  5. when a species dies and can't be found anywhere else

5 True/False Questions

  1. resilienceto bounce back quickly after being harmed by a disturbance


  2. non sequitora statement that does not follow a previos comment


  3. stabilizingnormal bell curve, middle survive the best


  4. (b+i)-(d+e)=Population change


  5. intrinsic rate of growth (r)rate with unlimited resources, exponential growth, J curve ex. yeast


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