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Mollusca Characteristics. The organisms belonging to phylum Mollusca exhibit the following characteristics: They are mostly found in marine and freshwater. Very few are terrestrial and found in moist soil. They exhibit organ system level of organization. Their body has a cavity. The body is divided into head, visceral mass, muscular foot and ...
Phylum Mollusca is a very diverse (85,000 species) group of mostly marine species. Mollusks have a dramatic variety of form, ranging from large predatory squids and octopus, some of which show a high degree of intelligence, to grazing forms with elaborately sculpted and colored shells.
mollusk, or mollusc, Any of some 75,000 species of soft-bodied invertebrate animals (phylum Mollusca), many of which are wholly or partly enclosed in a calcium carbonate shell secreted by the mantle, a soft covering formed from the body wall. Between the mantle and the body is the mantle cavity.
Jul 31, 2022 · Phylum Mollusca is a very diverse (85,000 species) group of mostly marine species. Mollusks have a dramatic variety of form, ranging from large predatory squids and octopus, some of which show a high degree of intelligence, to grazing forms with elaborately sculpted and colored shells.
MOLLUSCS. Mollusca is the group of animals that includes gastropods (snails, slugs, limpets etc), bivalves (clams, oysters, mussels etc), cephalopods (octopuses, nautiluses, squids etc), scaphopods (tusk shells), caudofoveates, solenogastres, monoplacophorans and polyplacophorans (chitons).
A cuttlefish, a coleoid cephalopod, moves primarily by undulating its body fins. Mollusca is one of the most diverse groups of animals on the planet, with at least 50,000 living species (and more likely around 200,000). It includes such familiar organisms as snails, octopuses, squid, clams, scallops, oysters, and chitons.
Oct 31, 2023 · 28.3E: Phylum Mollusca. Page ID. Boundless. Mollusks have a soft body and share several characteristics, including a muscular foot, a visceral mass of internal organs, and a mantle. Learning Objectives. Describe the unique anatomical and morphological features of molluscs. Key Points.
