Energy Flow And Matter Cycles - Reading

12 Questions | Total Attempts: 274

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Energy Flow And Matter Cycles - Reading


Questions and Answers
  • 1. 
    Name (first and last)
  • 2. 
    Student ID #
  • 3. 
    Sugar is the main energy source for life.
    • A. 

      True

    • B. 

      False

  • 4. 
    Autotrophs use environmental (inorganic) energy to build complex (organic) molecules from simple compounds.
    • A. 

      True

    • B. 

      False

  • 5. 
    All producers use photosynthesis.
    • A. 

      True

    • B. 

      False

  • 6. 
    All heterotrophs eat animals for energy.
    • A. 

      True

    • B. 

      False

  • 7. 
    Energy cycles through an ecosystem.
    • A. 

      True

    • B. 

      False

  • 8. 
    50% of available energy is transferred from one trophic level to the next.
    • A. 

      True

    • B. 

      False

  • 9. 
    Matter is recycled in an ecosystem.
    • A. 

      True

    • B. 

      False

  • 10. 
    Water can enter the atmosphere by evaporating from plant leaves.
    • A. 

      True

    • B. 

      False

  • 11. 
    Plants release carbon dioxide, while animals breathe in carbon dioxide.
    • A. 

      True

    • B. 

      False

  • 12. 
    Nitrogen makes up 78% of the atmosphere.
    • A. 

      True

    • B. 

      False

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