Chap 16   Chapter 17 Self Quiz: Ecosystems, communities, and species interactions   Chap 18

  1. An ecosystem may contain the following EXCEPT
    1. species (wrong)
    2. biome (correct)
    3. population (wrong)
    4. community (wrong)
    5. habitat (wrong)
      Hint
  2. Which terrestrial biome is dominated by grass in temperate areas with seasonal rainfall?
    1. grassland (correct)
    2. tundra (wrong)
    3. savanna (wrong)
    4. desert (wrong)
    5. chaparral (wrong)
      Hint
  3. Which aquatic biome is defined by non-flowing fresh water?
    1. lakes and ponds (correct)
    2. rivers and streams (wrong)
    3. estuaries (wrong)
    4. open oceans (wrong)
    5. coral reefs (wrong)
      Hint
  4. Organisms in trophic level 1 are
    1. herbivores (wrong)
    2. carnivores (wrong)
    3. producers (correct)
    4. directors (wrong)
    5. composers (wrong)
      Hint
  5. Typically, about what percent of the energy of producers is converted to biomass of secondary consumers in an energy pyramid?
    1. 90% (wrong)
    2. 50% (wrong)
    3. 10% (wrong)
    4. 1% (correct)
    5. 0.1% (wrong)
      Hint
  6. Consumers that eat dead organisms are called
    1. secondary herbivores (wrong)
    2. primary carnivores (wrong)
    3. composers (wrong)
    4. detritivores (correct)
    5. producers (wrong)
      Hint
  7. A bedbug is considered a(n)
    1. consumer (correct)
    2. decomposer (wrong)
    3. detritivore (wrong)
    4. herbivore (wrong)
    5. endoparasite (wrong)
      Hint
  8. Human activity can upset the ________ cycle by burning fossil fuels.
    1. water (wrong)
    2. carbon (correct)
    3. nitrogen (wrong)
    4. oxygen (wrong)
    5. energy (wrong)
      Hint
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