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5 Written Questions

5 Matching Questions

  1. individuals of a single species fighting over access to a limiting resource is one example of
  2. Environmentally and economically acceptable means of controlling introduced invasive species
  3. the largest pools of carbon in the carbon cycle are
  4. When the rains came down on the rocky mountainsides, the water ran down into the grasslands where the
    prairie dogs were active and ________.
  5. microbes in our digestive tract represent a type of-----relationship
  1. a C) quickly soaked into the loose soil, watering the grasses
  2. b symbiotic
  3. c sedimentary rocks and fossil fuels
  4. d public education, introduction of appropriate predators , examination of imported goods.
  5. e intraspecific competition

5 Multiple Choice Questions

  1. underground water reservoirs
  2. primary consumers
  3. have relatively low precipitation
  4. producers
  5. net primary production

5 True/False Questions

  1. The origins in all phosphorus in biological tissue islightning


  2. taiga and tundra bothhave relatively low precipitation


  3. humans have dramatically altered the rate of nitrogen fixation into forms usable by autotrophslightning


  4. Any network or relationships among a group of components, which interact with and influence one another through exchange of matter and/or information, information is referred to assystem


  5. In a previous chapter you read about "keystone species." How do the prairie dogs in this story meet the
    definition of a keystone species?
    Their burrows loosened the soil and served as homes for other species; they helped with nutrient
    recycling. They helped water sink into the soil and kept soil loose for grassroots. When they were
    removed, the system collapsed.


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