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What’s the common name of this organism?

What’s the common name of this organism?. Sponge. What is the phylum?. Porifera. Sponges are at the ______ level of organization. Sponges are at the cellular level of organization. What is the name for excurrent pores?. Osculum. What is the function of choanocytes?.

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What’s the common name of this organism?

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  1. What’s the common name of this organism?

  2. Sponge

  3. What is the phylum?

  4. Porifera

  5. Sponges are at the ______ level of organization

  6. Sponges are at the cellular level of organization

  7. What is the name for excurrent pores?

  8. Osculum

  9. What is the function of choanocytes?

  10. Choanocytes form much of the sponge body and function in filter feeding and intracellular digestion. Choanocytes help distinguish phylum porifera.

  11. What type of symmetry do sponges have?

  12. Sponges are either asymmetrical or radially symmetrical.

  13. Incurrent openings or pores are termed_______.

  14. Incurrent openings or pores are termed ostia.

  15. Sponges have an exoskeleton formed of what?

  16. Spongin--spongy fibers of a protein material Spicules – rigid crystalline structures made of calcium or silica

  17. The central cavity of a sponge is called what?

  18. Spongocoel

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