2024年12月31日 · Found on rocky, sandy, and muddy substrata, mollusks burrow, crawl, become cemented to the surface, or are free-swimming. Mollusks are found worldwide, but there is a …

Habitat and Locomotion. Most mollusks are marine animals; some are found in shallow coastal areas and others live in the deepest parts of the ocean. Most live in the bottom sediments, …

2024年12月31日 · Mollusks show diversity in habitats and feeding habits. Food may be various microorganisms, crustaceans, and fishes. Mollusks also have a wide range of locomotory …

2025年1月30日 · Cephalopod, any member of the class Cephalopoda of the phylum Mollusca, a small group of highly advanced and organized, exclusively marine animals. The octopus, …

2025年1月30日 · Gastropod, any member of more than 65,000 animal species belonging to the class Gastropoda, the largest group in the phylum Mollusca. The class is made up of the …

2024年12月3日 · clam, in general, any member of the invertebrate class Bivalvia—mollusks with a bivalved shell (i.e., one with two separate sections). More than 15,000 living species of …

2024年12月26日 · OpenEd CUNY - Superphylum Lophotrochozoa: Molluscs and Annelids; University of Hawaiʻi at Mānoa - Exploring Our Fluid Earth - Worms: Phyla Platyhelmintes, …

2024年11月26日 · Land snail, any of the approximately 35,000 species of snails (phylum Mollusca) adapted to life away from water. Most species are members of the subclass …

bivalve, (class Bivalvia), any of more than 15,000 species of clams, oysters, mussels, scallops, and other members of the phylum Mollusca characterized by a shell that is divided from front …

Mollusks are invertebrates, meaning that they do not have a backbone. They have a soft body that holds the heart, liver, digestive system, and other important organs. Most mollusks have a …