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Flatworms

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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.
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    Flatworm

    Flatworm

    by CK-12 //basic

    Goes over the basics of flatworms including their reproduction, body structure, and relationship to other organisms.

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