Nutrient Cycles 2

11 Questions

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Nutrient Cycles 2

Display your knowledge of Nutrient Cycles and Ecological Succession Please include your School Letters with your Name.


Questions and Answers
  • 1. 
    The term "cycle" is used in nutrient cycles because.
    • A. 

      They have two parts like the two wheels of a "bicycle".

    • B. 

      Their steps always form a long ring, like a snake biting its tail.

    • C. 

      The nutrients always get cycled and recycled through the many paths of the system.

  • 2. 
    Eutrophication is the situation where....
    • A. 

      The atmospheres receives too much carbon and it traps more heat.

    • B. 

      A water body is damaged by excess nutrients like nitrogen.

    • C. 

      A piece of land is over fertilized.

  • 3. 
    The Greenhouse Effect is a problem that occurs when.
    • A. 

      A water body is destroyed by excess nutrients like nitrogen.

    • B. 

      Excess CO2 causes too much heat to be trapped in the earth's atmosphere.

    • C. 

      A greenhouse plant receives too much fertilizer.

  • 4. 
    Select TWO (2) activities that are part of the NITROGEN CYCLE.
    • A. 

      A. Photosynthesis turns CO2 into sugar

    • B. 

      B. Respiration turns sugar into CO2

    • C. 

      C. Animal waste can be converted by bacteria to form nitrates (NO3).

    • D. 

      D. Nitrogen-fixing bacteria  change nitrogen in the air (N2) to nitrates (NO3) for use.

  • 5. 
    Select TWO (2) events that are part of the CARBON CYCLE.
    • A. 

      Nitrogen fixing bacteria change atmospheric nitrogen gas to nitrates.

    • B. 

      Respiration turns sugar (C6H12O6) into CO2.

    • C. 

      Eutrophication results from excess fertilizer.

    • D. 

      Photosynthesis turns COinto sugar (C6H12O6).

  • 6. 
    • A. 

      To make rain, sleet, and snow

    • B. 

      To make proteins

    • C. 

      To make living thing

  • 7. 
    Which process makes clouds?
    • A. 

      Condensation

    • B. 

      Precipitation

    • C. 

      Evaporation

    • D. 

      Runoff

  • 8. 
    Which TWO cycles use bacteria and fungi, which are decomposers, that help the cycle?
    • A. 

      Water Cycle

    • B. 

      Carbon Cycle

    • C. 

      Nitrogen Cycle

  • 9. 
    • A. 

      Burning

    • B. 

      Bacteria

    • C. 

      Lightning

    • D. 

      Heterotrophs

  • 10. 
    Which problem is caused by an unbalanced Carbon Cycle?
    • A. 

      Global Warming

    • B. 

      Eutrophication

    • C. 

      Flooding