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5 Written questions

5 Matching questions

  1. When the rains came down on the rocky mountainsides, the water ran down into the grasslands where the
    prairie dogs were active and ________.
  2. the rate at which biomass becomes available to consumers is termed
  3. Cattle on an open range ,in some areas, may compact fragile soils while grazing. This can damage plant roots, leading to fewer, smaller plants, which may in turn cause cattle to graze more and work harder to obtain food. this is an example of a
  4. Efforts at urban restoration
  5. A natural ecosystem, undamaged by human activity, is
  1. a Efforts at urban restoration intend to undo damage done to communities due to urban development.
  2. b positive feedback loop
  3. c a closed system of organic and inorganic materials as well as energy; where everything is recycled.
  4. d C) quickly soaked into the loose soil, watering the grasses
  5. e ecosystem productivity

5 Multiple choice questions

  1. or phosphorus dissolved int he ocean and taken up by shellfis
  2. net primary production
  3. producers
  4. have relatively low precipitation
  5. are required in large amounts for organism to survive

5 True/False questions

  1. Prairie dogs constantly dig though the soil, making new burrows. They est the grasses, roots and all. This probably contributesor phosphorus dissolved int he ocean and taken up by shellfis

          

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

          

  3. zoooplankton-eating fish areunderground water reservoirs

          

  4. By definition, parasites-----their hostshave relatively low precipitation

          

  5. a system receiving inputs and producing outputs without undergoing any changes in size or function is said to be indynamic equilibrum