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Sponges loading

Primitive multicellular organisms that do not move and only have cellular organization, more like a single tissue.

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
    Phylum Porifera - The Sponges

    Phylum Porifera - The Sponges

    by Eric Wendland //at grade

    Discusses characteristics of sponges.

  • Video


    by Jaisel Sandhu //at grade

    This video will help you learn about the phylum porifera (sponges). The video talks about where sponges fall in the animal kingdom, their structure and reproduction system, examples of common sponges and much more. Courtesy of Iken Edu

  • Real World Application
    Feeding The Deep

    Feeding The Deep

    by Ana Elliott //at grade

    Covers marine snow and energy flow throughout the oceans and how global wide changes affect the cycling of materials through the ocean.

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