WebThe "generalized" mollusc's feeding system consists of a rasping "tongue", the radula, and a complex digestive system in which exuded mucus and microscopic, muscle-powered "hairs" called cilia play various important … WebTheir size ranges from microscopic organisms to organisms 20 metres long. They play a very important role in the lives of humans. They are a source of jewellery as well as food. Natural pearls are formed within these …
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WebMar 22, 2024 · The close association of many molluscan groups with their food source—whether by direct dependence on a specific food supply ( e.g., plant-eating, or herbivores) or by involvement in food chains—limits their geographic distribution; for … octopus, plural octopuses or octopi, in general, any eight-armed cephalopod (octo… chiton, any of numerous flattened, bilaterally symmetrical marine mollusks, world… A mollusk is a kind of animal with a soft body. Most mollusks have a hard shell th… WebGet. Food. Ocean living mollusks move or swim by jet propulsion. They propel themselves by ejecting water from their body. For example, the squid ejects water from a cavity within …
WebParasitic forms feed on the tissues of their hosts. Most flatworms, such as the planarian shown in Figure 1, have a gastrovascular cavity rather than a complete digestive system. In such animals, the “mouth” is also used to expel waste materials from the digestive system. Some species also have an anal opening. WebApr 28, 2024 · The molluscs or mollusks are the large and diverse phylum Mollusca, which includes a variety of familiar creatures well-known for their decorative shells or as seafood. Note: The above text is ...
WebFood. Ocean living mollusks move or swim by jet propulsion. They propel themselves by ejecting water from their body. For example, the squid ejects water from a cavity within its body, and the scallop ejects water to move by clamping its shell closed. Other ocean living mollusks, like the oyster, attach themselves to rocks or other surfaces ... Webgastropod, 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 snails , which have a shell into which the animal can …
WebJan 24, 2024 · The phylum Platyhelminthes is divided into four classes: Class Turbellaria: Free-living Flatworms (a group of animals that do not depend on other animals for food) …
WebThe phylum Mollusca is one of the largest and more diversified among metazoan phyla, comprising many thousand species living in ocean, freshwater and terrestrial ecosystems. … phonetrans iphoneWebNov 10, 2024 · Parts of a Clam. Belonging to a diverse group of animals known as bivalves, clams can be identified by the presence of two valves, or shells, joined by a hinge that allows the two shells to open ... phonetrayWebMollusks have a radula for grinding food. A digestive gland is connected to the stomach. The tissue beneath the shell is called the mantle. The digestive system includes a gizzard, a stomach, a digestive gland, and the intestine. how do you throw in gang beastsWebFor consumption, the main Mollusca and Crustacea products were shrimp, crabs, lobsters, squids, and octopuses. Mollusca include such familiar organisms as snails, octopuses, squid, clams, scallops, oysters, and chitons. Crustacea includes such familiar animals as crabs, lobsters, crayfish, shrimp, krill, and barnacles. how do you throw it backWebAs far as their diet is concerned, they eat crabs, crayfish, and small species of mollusks, such as gastropods. cephalopods also prey on shellfish, crustaceans, myctophids, … how do you throw knives in breaking pointWebMar 27, 2008 · How do mollusks get food? Mollusks get food by eating the floating particles in the water. A mollusk has a tongue-like organ called a radula that it uses to rasps its … how do you throw knife in breakpointWebApr 28, 2024 · Phylum Mollusca. This phylum is where the octopus and its relatives are grouped together. The mollusks include all the snails, slugs, clams, mussels, squids and other soft-bodied animals. They often secrete a shell to protect their soft bodies. As the individuals die over time, their shells are shed to the bottom, where they accumulate. phonetrans torrent