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Phylum Mollusca Notes Powerpoint Slides

Marine Biology<br>Mollusks<br>Mollusk Species

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Phylum Mollusca Notes Powerpoint Slides

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  1. Phylum Mollusca Notes

  2. The Foot • Molluscs - Soft bodies usually covered by shell for protection • Body made of two parts • The Foot • Used for movement • Contains the mouth and sensory organs

  3. Visceral Mass Body made of two parts • The Visceral Mass • Contains circulatory, digestive, respiratory, and reproductive systems

  4. More Anatomy • Mantle: part that secretes the shell • Mantle Cavity:space between mantle & body • Radula: tissue in mouth that contains teeth and is used in feeding.

  5. (no matter what kind of mollusc, they all have the same body parts)

  6. The 5 Classes of Phylum Mollusca • Class Polyplacophora: Chitons

  7. The 5 Classes of Phylum Mollusca • Class Scaphopoda: Tusk Shells

  8. The 5 Classes of Phylum Mollusca • Class Gastropoda: Snails & Nudibranch

  9. The 5 Classes of Phylum Mollusca • Class Bivalvia: Clams, Mussels, Scallops

  10. The 5 Classes of Phylum Mollusca • Class Cephalopoda: Squid, Octopus, Cuttlefish, Nautilus

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