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Roles in an Ecosystem loading

Organisms in an ecosystem have different roles depending on its relationship to other organisms.

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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
    Roles in an Ecosystem

    Roles in an Ecosystem

    by CK-12 //basic
    Describes the different roles in an ecosystem.
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    This indicates how strong in your memory this concept is
  • Video
    Symbiosis: A Surprising Tale of Species Cooperation

    Symbiosis: A Surprising Tale of Species Cooperation

    by CK-12 //basic
    Goes into more depth about symbiosis and how it applies to a real ecosystem.
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    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.
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  • Downloadable Quiz
    Roles in an Ecosystem Quiz - MS ES

    Roles in an Ecosystem Quiz - MS ES

    by CK-12 //basic
    Reviews the different roles of organisms in ecosystems.
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    This indicates how strong in your memory this concept is
  • Real World Application
    Tide Pools

    Tide Pools

    by CK-12 //basic
    The intertidal zone is between high and low tides. Tide pool organisms have to be sturdy to deal with lots of changes to their environment.
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  • Real World Application
    Savanna Ecology

    Savanna Ecology

    by CK-12 //basic
    Energy and nutrients move through ecosystems, including the savanna where wild animals roam for now.
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  • Real World Application
    Squid Cream Cones

    Squid Cream Cones

    by CK-12 //basic
    Orthoceras ruled the Ordovician seas and its fossils are widespread and abundant today. This cephalopod had a shell for protection, a siphuncle for transportation and a sea full of other life.
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