PPT-Molluscs By: Sameena Khokhar

The term m ollusc means soft A mollusc is a diverse animal and is a member of the phylum Mollusca group Around eighty five thousand species of molluscs have been recognized Molluscs reproduce sexually Slugs and snails mate to fertilize eggs Aquatic molluscs lay eggs that hatch into small freeswimming larvae Many molluscs have hard external shells which they use for protection Molluscs range in size and are usually found in marine habitats but a few . INGREDIENTS: Cereals containing gluten Eggs Fish Peanuts Nuts Soybeans Milk Celery/ Celeriac Mustard Sesame Lupin Sulphur dioxide Crustaceans Molluscs SUITABLE FOR VEGETARIAN BASES Classic Crust Whe L. U. S. C. S. . M. O. L. L. U. S. C. S. -. Molluscs. Origin of the word mollusc: . From the Latin word . Mollis. meaning soft. Animals in this phylum include: . Snails, Octopus, Squid, clams, . Level of organization: . Bivalve Molluscs Guidance on Procedures to Minimise Risks to Food Safety in Bivalve Mollusc Purification 1st Edition, March 1999 Seafish Guidance on P . By: Sameena Khokhar . The term . m. ollusc. . means “soft.” A . mollusc . is a diverse animal and is a member of the phylum Mollusca group. Around eighty five thousand species of molluscs have been recognized. Molluscs reproduce sexually. Slugs and snails mate to fertilize eggs. Aquatic molluscs lay eggs that hatch into small free-swimming larvae. Many molluscs have hard external shells which they use for protection. Molluscs range in size and are usually found in marine habitats, but a few . Family/Common Name Code SHELL FISHES MOLLUSCS GASTROPODS Dentalium Dentaliidae 4500 D . elephantinum Elephant Tusk Shell 4501 D . javanum 4502 D. aprinum 4503 D. tomlini 4504 D. mannarense 450A D. e with few long-term studies that rarely exceeded 1 yr. It is accepted that significant spatial and temporal variability are characteristics of benthic assemblages in estuarine sediments (Jones et al. PHYLUM. Deanne L. de . Asis. Jessica . Consad. KINGDOM. MOLLUSCA. introduction. content. conclusion. Evolution. Definition. Life History and Ecology. Taxonomy. Morphology. Relations with Humans. Diversity. By Hannah b 7q. Snails. The word . snail. is a . common name. for almost all members of the . molluscan. class . Gastropoda. that have coiled . shells. in the adult stage. When the word snail is used in a general sense, it includes sea snails, land snails and freshwater snails. Snails lacking a shell or having only a very small one are usually called . Prepared by : Nada H. Lubbad. Introduction. :. Soft bodied animals.. - . name from Latin word “ mollus” meaning soft.. The second largest phylum.. The scientific study of Mollusks is . . Class . Scaphopoda. . (300 species). tooth shells, tusk shells. all . are burrowing marine animals. most distinctive characteristic – conical shell open at both ends. Class . Monoplacophora. undivided arched shell. Mollusca. The . Chitons. , Gastropods, Bivalves and Cephalopods. The . molluscs. are a diverse group of soft bodied invertebrates. Some varieties of . molluscs. produce an external shell (“test” or “valve”)made of calcium carbonate. PHYLUM MOLLUSCA by MRS OZEMOKA H.J. is licensed under a . Creative Commons Attribution-. NonCommercial. -. ShareAlike. 4.0 International License. .. PRE- TEST. What are Annelids?. State the differences between the three classes of Annelids.. 1. SCOPE.................................................................................................................................................................................2 26/09/2006 Cr A. . Bilateral. Symmetry. B. Presence of a muscular . foot. C. . Mantle. formed by Dorsal Body wall. D. True . Coelom. E. Complex . Digestive. System. F. . Gas exchange . through gills, lungs, mantle, or body surface.