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Mollusks are an important group of invertebrates in the animal kingdom. They are classified in the phylum Mollusca, and are divided into 6 classes and subdivided based on differences in anatomical features such as the foot, mouth, and breathing organs. The classes are gastropoda, pelecypoda (bivalves), amphineura (chitons), cephalopoda, scaphopoda (tusk shells), and monoplacophora. The major concentration in this unit will be on the classes gastropoda and pelecypoda because of their occurrence in the New Haven region.
To increase studentsí awareness of shells and the living organisms that once inhabited them I have provided information on growth, feeding, locomotion, and reproduction. Body parts will be studied through diagrams and explanations of the physiology of these animals. To aid in this study I have included a separate glossary for uncommon terms such as radula, byssus, and carnivorous.
(Recommended for Science classes, grade 6)
Calcium Cycle Ecology Environomental Science