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Sponges loading

Introduces the first animals.

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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
    Sponges

    Sponges

    by CK-12 //at grade
    Covers characteristics of sponges.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Read
    Sponges

    Sponges

    by Samantha Gacke //at grade
    Covers characteristics of sponges.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Video
    Sponges: Origins

    Sponges: Origins

    by CK-12 //at grade
    Sponges may not even look alive, but an ancient sponge was actually the first animal. Learn more in this video.
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Practice
    Sponges Practice
    Estimated3 minsto complete

    Sponges Practice

    by CK-12 //at grade
     
     
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Real World Application
    Masters of Chemistry

    Masters of Chemistry

    by CK-12 //at grade
    People know about sponges. They're in most every house, but they have amazing non-household uses!
    MEMORY METER
    This indicates how strong in your memory this concept is
  • Flashcards
    Sponges

    Sponges

    by Kyle Bardman //at grade
    These flashcards will help you better understand Life Science for middle school.
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