AP Outline Bio Quiz Ch 25

10 Questions | Total Attempts: 341

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AP Quizzes & Trivia

Ch 25 Outline Quiz, Ecosystems & Human Interferences


Questions and Answers
  • 1. 
    Which layer is defined by the upper and lower limits where life is possible?
    • A. 

      Atmosphere

    • B. 

      Biosphere

    • C. 

      Lithosphere

    • D. 

      Hydrosphere

    • E. 

      The earth's core

  • 2. 
    An ecosystem contains
    • A. 

      Only the biotic components of the environment.

    • B. 

      Only the abiotic components of the environment.

    • C. 

      Only the energy flow components of an environment.

    • D. 

      Both the living organisms and the abiotic components of the environment.

    • E. 

      Only the food relationships found in an environment.

  • 3. 
    Approximately what percentage of the energy in one trophic level becomes incorporated into the next level as secondary productivity?
    • A. 

      1%

    • B. 

      10%

    • C. 

      30%

    • D. 

      60%

    • E. 

      100%

  • 4. 
    Herbivores are generally more numerous than carnivores.
    • A. 

      True

    • B. 

      False

  • 5. 
    All food chains begin with a photosynthetic producer.
    • A. 

      True

    • B. 

      False

  • 6. 
    Organisms in all trophic levels may be consumed by decomposers.
    • A. 

      True

    • B. 

      False

  • 7. 
    Energy recycling is an important part of every ecosystem.
    • A. 

      True

    • B. 

      False

  • 8. 
    A pyramid of biomass is based on the number of organisms at each trophic level.
    • A. 

      True

    • B. 

      False

  • 9. 
    Food chains are long and involved, with at least seven or eight trophic levels.
    • A. 

      True

    • B. 

      False

  • 10. 
    Nitrogen fixation is the conversion of nitrate to nitrous oxide and nitrogen gas.
    • A. 

      True

    • B. 

      False