Science Chapter 13 Test

24 Questions | Total Attempts: 77

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Science Quizzes & Trivia

Questions and Answers
  • 1. 
    How do organisms in each of the three energy roles obtain energy?
  • 2. 
    Why is a food chain a more realistic way of portraying an ecosystem?
  • 3. 
    What roles do producers and consumers play in he carbon and oxygen cycles?
  • 4. 
    Explain the carbon and oxygen cycle
  • 5. 
    Explain the water cycle
  • 6. 
    Explain the nitrogen cycle
  • 7. 
    Name the three energy roles that organism fill in an ecosystem
    • A. 

      Consumer

    • B. 

      Producer

    • C. 

      Scavenger

    • D. 

      Decomposer

  • 8. 
    The energy pyramid shows the amount of _________ that moves from one feeding level to another food web
  • 9. 
    The amount of energy gets higher as more consumers eat it
    • A. 

      True

    • B. 

      False

  • 10. 
    Name the three major process that occur during the water cycle
    • A. 

      PErcipatation

    • B. 

      Evaporation

    • C. 

      Condensations

    • D. 

      Rain

  • 11. 
    The______is the driving force behind the water cycle
  • 12. 
    Carbon and __________ are linked in one recycling process
  • 13. 
    The death of all producers would be good for the carbon and oxygen cycles 
    • A. 

      True

    • B. 

      False

  • 14. 
    Why do organisms need oxygen?
    • A. 

      It is food for all living things

    • B. 

      Its a protien

    • C. 

      Its a building block in the matter of living things

  • 15. 
    If all the nitrogen fixation bacteria died it would be very bad.
    • A. 

      True

    • B. 

      False

  • 16. 
    Has continental drift affected the dispersal of species?
    • A. 

      Yes

    • B. 

      No

  • 17. 
    Three ways organisms can be dispersed
    • A. 

      Wind

    • B. 

      Climate

    • C. 

      Living things

    • D. 

      Water

  • 18. 
    Name three factors that can limit dispersal 
  • 19. 
    Name and example of a decomposer
  • 20. 
    When the world was 1 super continent it was called _______
  • 21. 
    Humans affect the carbon and oxygen cycle
    • A. 

      True

    • B. 

      False

  • 22. 
    Energy enters most ecosystems as ________
  • 23. 
    The process by which produces use the suns energy turn into water and carbon then into food molecules is called 
    • A. 

      Fixation

    • B. 

      Photosynthesis

    • C. 

      Condensation

    • D. 

      Dispersal

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