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5 Written questions

5 Matching questions

  1. the origin in all nitrogen in biological tissue is
  2. taiga and tundra both
  3. 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 as
  4. microbes in our digestive tract represent a type of-----relationship
  5. a system receiving inputs and producing outputs without undergoing any changes in size or function is said to be in
  1. a lightning
  2. b have low temperature throughout the year
  3. c system
  4. d symbiotic
  5. e dynamic equilibrum

5 Multiple choice questions

  1. sum of all the planets living organisms and the abiotic portions of the environment
  2. 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.
  3. sedimentary rocks and fossil fuels
  4. underground water reservoirs
  5. primary consumers

5 True/False questions

  1. 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 alightning


  2. 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 theor phosphorus dissolved int he ocean and taken up by shellfis


  3. which of the following are pioneer speciesare helped by the presence of zebra mussels


  4. ------ capture solar energy and use photosynthesis to produce sugarslichens


  5. Macronutrientsunderground water reservoirs