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Mollusca

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Mollusca

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  1. Mollusca Damion Jolly , Ken White

  2. General Characteristics • Sedentary filter feeders. • Known as Coelomates (fluid-filled cavity) • Trochophore (larva that develops from the fertilized egg ) • Body has more than two cell layers. • The main feeding adaptation of many mollusks is the radula • Most mullusks are bilaterally symmetrical

  3. Three Interesting Facts • There are between 50,000 and 200,000+ mollusc species ALIVE! • Mollusks can be found almost everywhere. • Snails, clams and squid are important phylum mollusca examples.

  4. Achatina fulica (giant african snail) • Kingdom Animalia • Phylum Mollusca • Class Gastropoda • Order Stylommatophora • Suborder Sigmurethra • Family Achatinidae • Size 11-12 Inches Long • Habitat Tropical climates with warm year round tempatures • Eats Garden snails

  5. Anadara brasiliana (incongruous ark) • Kingdom Animalia • Phylum Mollusca • Class Bivalvia • Order Arcoida • Family Arcidae • Species Anadara brasiliana • Size From ½ Inch To 4 Inches • Habitat Beach

  6. Anguispira alternata(flamed disc) • Kingdom Animalia • Phylum Mollusca • Class Gastropoda • Order Stylommatophora • Family Discidae • Species Anguispira alternata • Size 9-10 MM • Habitat, usually found at lower elevations and crisscross markings

  7. Mollusk Video’s http://video.nationalgeographic.com/video/player/kids/animals-pets-kids/invertebrates-kids/nudibranch-kids.html http://videos.howstuffworks.com/animals/mollusks-videos.htm

  8. References • Biology Book • http://video.nationalgeographic.com • http://animaldiversity.ummz.umich.edu/site/accounts/pictures/Mollusca.html • http://www.ucmp.berkeley.edu • http://depts.washington.edu/fhl/zoo432/plankton/plmollusca/Molluscs.html