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ANIMALIA

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ANIMALIA

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    1. 1

    2. Phylum MOLLUSCA Class Polyplacophora - Chiton

    3. Phylum Mollusca Class Scaphopoda – Tusk Shells

    4. Phylum Mollusca Class - Gastropoda

    5. Phylum Mollusca Class Gastropoda - Nudibranch

    6. Phylum Mollusca Class – Gastropoda - Nudibranchs

    7. Phylum Mollusca Class – Sea Hare

    8. Class Gastropoda whelks

    9. Class - Gastropoda Conch

    10. Class Gastropoda Limpets and Periwinkles

    11. Class - Gastropoda Abalone

    12. Class - Gastropoda Land Snail

    13. Class Bivalvia Clams, Mussels,Scallops

    14. Class - Cephalopoda Octopus

    15. Class Cephalopoda Octopus

    16. Class Cephalopoda Nautilus

    17. Characteristics of Molluscans Size – Millimeter to 60 Feet (18M)

    18. Molluscan Body Plan Visceral Mass

    19. Circulatory System Open Circulatory System

    20. Body Systems Respiration – this is accomplished thru the circulation of oxygen-rich water by the MANTLE

    21. Comparison of Body Plans

    22. Specialized Structures Radula – Horny-toothed structure found within the pharynx

    23. Specialized Structures Operculum – A protective plate that covered the opening to the shell of some gastropods

    24. Specialized Sturctures Nacre – secretion around sand particles by oysters resulting in a pearl.

    25. Hectocotylus

    26. Specialized Structures Shells – Not all mollusc’s produce them

    27. Reproduction Varies tremendously from external fertilization to internal, dioecious and hermaphrodidic

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