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Nitrogen Cycle in Ecosystems loading

Nitrogen is essential to living things but to be useful to organisms it must be fixed by bacteria.

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Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.
  • Read
    Nitrogen Cycle in Ecosystems

    Nitrogen Cycle in Ecosystems

    by CK-12 //basic
    Describes the nitrogen cycle.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Video
    The Nitrogen Cycle Animation

    The Nitrogen Cycle Animation

    by CK-12 //basic
    Learn all about the nitrogen cycles, including its processes, factors, and effects.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Lesson Plan
    Ama-Zone! The Rain Forest Project Lesson Plan

    Ama-Zone! The Rain Forest Project Lesson Plan

    by CK-12 //basic
    Students participate in a role play simulation to debate the possibility of establishing a world preserve. Students explore the human impacts on the rain forest and learn how the rain forest effects us. Worksheets included.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Real World Application
    Stream Ecology

    Stream Ecology

    by CK-12 //basic
    Streams are important sources of water for living things so they are important ecosystems. Stream health is necessary for these ecosystems and for humans.
    MEMORY METER
    This indicates how strong in your memory this concept is
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