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5 Written questions

5 Matching questions

  1. A natural ecosystem, undamaged by human activity, is
  2. zoooplankton-eating fish are
  3. The origins in all phosphorus in biological tissue is
  4. Prairie dogs constantly dig though the soil, making new burrows. They est the grasses, roots and all. This probably contributes
  5. humans have dramatically altered the rate of nitrogen fixation into forms usable by autotrophs
  1. a a closed system of organic and inorganic materials as well as energy; where everything is recycled.
  2. b secondary consumers
  3. c as we produce synthetics fertilizers and apply them to crops, lawns and parks
  4. d E) prairie dogs were part of a negative feedback loop once they were removed
  5. e or phosphorus dissolved int he ocean and taken up by shellfis

5 Multiple choice questions

  1. Efforts at urban restoration intend to undo damage done to communities due to urban development.
  2. public education, introduction of appropriate predators , examination of imported goods.
  3. producers
  4. feed on and harm
  5. intraspecific competition

5 True/False questions

  1. the largest pools of carbon in the carbon cycle areare helped by the presence of zebra mussels

          

  2. Aquifers areare required in large amounts for organism to survive

          

  3. A small section of prairie grasses, over a year, produces enough biomass to feed insects, mice, rabbits, birds, deer, antelope, and a host of decomposers. The amount of food potentially available to the herbivores is thenet primary production

          

  4. which of the following are pioneer specieslichens

          

  5. When the rains came down on the rocky mountainsides, the water ran down into the grasslands where the
    prairie dogs were active and ________.
    sedimentary rocks and fossil fuels