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5 Written questions

5 Matching questions

  1. ecologists
  2. model
  3. parasitism
  4. levels or oganization
  5. models
  1. a scientists who study ecology
  2. b allows ecologists to control the number of variables present and to slowly introduce new variable in order to fully understand the effect of each variable
  3. c symbiotic relationship in which one organism benefits at the expense of another organism
  4. d allows a scientist to represent or simulate a process or system
  5. e organism, population, biological community, ecosystem, biome, biosphere

5 Multiple choice questions

  1. can be external like ticks/fleas or internal like bacteria or roundworms
  2. a biological community and all of the abiotic factors that affect it
  3. individual organisms or a single species that share the same geographic location at the same time make up a ...
  4. organism that pursues another organism
  5. the act of one organism consuming another organism for food

5 True/False questions

  1. biospherethe highest level of organization which is the layer of Earth that supports life


  2. commensalisma relationship in which one organism benefits and the other organism is neither helped nor harmed


  3. habitatnonliving factors in an organism's environment


  4. longitudinal analysisused by organic gardeners for insect control instead of insecticides


  5. biotic factors in a habitat for salmontemperature, air or water currents, sunlight, soil type, rainfall or available nutrients


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