WebThe body plan of a mollusk usually consists of a head region, a muscular foot, and a visceral mass of internal organs that is often contained within a dorsal shell. Each class possesses some variation on this basic plan. The organization of the gastropod body is very similar to the basic body plan of mollusks. WebDec 11, 2015 · Mollusks have distinct body plans that vary between the different classes. Add to Library Share with Classes Add to FlexBook® Textbook Details Resources …
Phylum Mollusca - Characteristics, Classification and …
WebMollusks are primarily of separate sexes, and the reproductive organs (gonads) are simple. While some reproduce by parthenogenesis, most reproduction is by sexual means. Mollusks show diversity in habitats and feeding habits. Food may be various microorganisms, crustaceans, and fishes. Mollusks also have a wide range of … WebJun 8, 2024 · Bivalvia is a class of marine and freshwater molluscs with laterally compressed bodies enclosed by a shell in two hinged parts. Bivalves include clams, oysters, mussels, scallops, and numerous other families of shells. The majority are filter feeders and have no head or radula. The gills have evolved into ctenidia, specialised organs for ... ip tracking facebook
Phylum Mollusca Biology for Majors II - Lumen …
WebNov 30, 2024 · Explore the bodies of mollusks, members of the phylum Mollusca, share three common body parts, including the foot, mantle, and visceral mass. Learn about the digestive systems and radula of phylum ... WebInvertebrates with soft bodies covered with shell of one or more pieces with bilateral symmetry are called mollusks. The word mollusks in Latin mean “soft.”. Mollusks mostly live in water but some live on land. Almost … WebThe phylum Mollusca is divided into several classes. These classes are defined primarily on the basis of body plan, type of shell, and modifications of the internal organs. Some of the more popular classes are discussed here. Aplacophorans. The class Aplacophora comprises about 300 species of wormlike marine organisms that lack shells. orange aluminum t track review