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2 Written questions

2 Multiple choice questions

  1. a random change in DNA molecules making up genes that can alter anatomy, physiology, or behaviors in off-spring
  2. conversion by lightening, bacteria, and cyanobacteria of atmospheric nitrogen gas into forms useful to plants - it is part of the nitrogen cycle

2 True/False questions

  1. ecological nichean interaction between organisms of different species in which one type of organism benefits and the other type is neither helped nor harmed to any great degree

          

  2. commensalisma random change in DNA molecules making up genes that can alter anatomy, physiology, or behaviors in off-spring