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The generalized mollusc is bilaterally symmetrical and has a single, "limpet-like" shell on top. The shell is secreted by a mantle covering the upper surface. The underside consists of a single muscular "foot". The visceral mass, or visceropallium, is the soft, nonmuscular metabolic region of the mollusc.
- What are 3 traits that all mollusks have?
- What makes mollusks special?
- What is the main characteristic that all molluscs have in common?
- How molluscs differ from other phylum describe?
- What does a Mollusca eat?
- Are mollusks cold or warm blooded?
- What is molluscs for kids?
- What are the characteristics of mollusks and crustaceans?
- Which best describe molluscs?
- What type of creature is a gastropod?
- What does Mollusca mean?
- How do molluscs adapt to their environment?
- What do mollusks do for the environment?
What are 3 traits that all mollusks have?
Some of these characteristics are the presence of a shell, the type of shell, the type of foot, the arrangement of teeth in the radula, and the complexity of the nervous system. The three major groups of mollusks are gastropods, bivalves, and cephalopods (SEF ul o pods).
What makes mollusks special?
Mollusks have a hard outer shell. There is a layer of tissue called the mantle between the shell and the body. Most mollusks have tentacles for feeding and sensing, and many have a muscular foot. Mollusks also have a coelom, a complete digestive system, and specialized organs for excretion.
What is the main characteristic that all molluscs have in common?
Mollusks have a soft body and share several characteristics, including a muscular foot, a visceral mass of internal organs, and a mantle.
How molluscs differ from other phylum describe?
Although there is no single feature that all molluscs possess, three features are so common in molluscs that they are used to distinguish them from organisms in other phyla: ... Molluscs have a mantle or mass of soft flesh that covers the soft body and encloses the internal organs.
What does a Mollusca eat?
Most molluscs are herbivorous, grazing on algae or filter feeders. For those grazing, two feeding strategies are predominant. Some feed on microscopic, filamentous algae, often using their radula as a 'rake' to comb up filaments from the sea floor.
Are mollusks cold or warm blooded?
Mollusks are soft bodied, cold-blooded invertebrates that are covered with a shell made of calcium carbonate.
What is molluscs for kids?
mollusk. is a kind of animal with a soft body. Most mollusks have a hard shell that protects the body. There are more than 100,000 species, or types, of mollusk. Octopuses, oysters, snails, and squid are just a few examples.
What are the characteristics of mollusks and crustaceans?
Crustaceans are aquatic animals that have jointed legs, a hard shell and no backbone, such as crab, crayfish, lobster, prawns and shrimp. Most molluscs have a hinged two-part shell and include clams, mussels, oysters and scallops, as well as various types of octopus, snail and squid.
Which best describe molluscs?
mollusk, also spelled mollusc, any soft-bodied invertebrate of the phylum Mollusca, usually wholly or partly enclosed in a calcium carbonate shell secreted by a soft mantle covering the body.
What type of creature is a gastropod?
The Class Gastropoda (in Phylum Mollusca) includes the groups pertaining to snails and slugs. The majority of gastropods have a single, usually spirally, coiled shell into which the body can be withdrawn. The shell of these creatures is often what is recovered in a fossil dig.
What does Mollusca mean?
: any of a large phylum (Mollusca) of invertebrate animals (such as snails, clams, or squids) with a soft unsegmented body usually enclosed in a calcareous shell broadly : shellfish.
How do molluscs adapt to their environment?
Molluscs on the rocky shore are mostly univalved (one shell). They cannot burrow into sand like the bivalves for safety so they have very strong shells with an operculum (trapdoor attached to the foot muscle). Limpets are a good example of this. They are particularly well adapted for life on rocky surfaces.
What do mollusks do for the environment?
Mollusks are among the most diverse and abundant animal groups, inhabiting many aquatic and terrestrial environments. They are important ecosystem engineers, helping to structure aquatic bottom environments and providing habitat, protection, and food to a wide array of other taxa.
