Some mollusks have a foot like a snail and can move very slowly. Others only move around as larvae and once they get big enough to grow shells, they stay put. Cuttlefish, squid and octopods are part of this family but they can swim.
Locomotion & as a weapon against predators.
muscular feet is the locomotory organ in mollusks
The function of a mollusks foot is locomotion (moving).
The contractile motions of the foot of snails and other mollusks provides locomotion.
Mollusks have a mantle, which is a protective layer of tissue that covers their soft body. The mantle plays a role in shell formation and can also secrete mucus for locomotion or defense.
Locomotion in mollusks is primarily achieved through the use of a muscular foot, which can vary in shape and function among different classes of mollusks. In many species, the foot is used for crawling along surfaces, while in cephalopods like octopuses and squids, it has evolved into specialized structures like arms and tentacles for more agile movement. Additionally, some mollusks, such as snails, secrete mucus to aid in smooth movement, while others, like squids, use jet propulsion by expelling water from their bodies. Overall, the mechanisms of locomotion in mollusks are diverse and adapted to their specific environments and lifestyles.
No, mollusks do not have tube feet. Tube feet are a feature of echinoderms, such as sea stars and sea urchins, which they use for locomotion and feeding. Mollusks typically have a muscular foot for movement instead.
The pseudopodia is the organ of locomotion of amoeba.The word pseudo means false and podia or pods means feet.As pseudopodia is the cytoplasmic projection which helps in locomotion of amoeba so it is also called as false feet.
A marine echinoderm with five or more radiating arms. The undersides of the arms bear tube feet for locomotion and, in predatory species, for opening the shells of mollusks.
Mollusks typically have a muscular foot that varies greatly in shape and function among different species. This foot can be flat and used for crawling, as seen in snails and slugs, or adapted for burrowing, as in clams. In some cephalopods, like octopuses and squids, the foot has evolved into tentacles and arms for locomotion and manipulation. Overall, the number of feet in mollusks is generally one, but its form and role vary widely across the class.
I think you mean "Cephalopods". They are a group of mollusks and include octopuses, squids, cuttlefishes, and nautiluses.
Cephalopods share several key features with other mollusks, including a soft-bodied structure and a muscular foot, which in cephalopods is modified into tentacles. They also have a mantle, which is a significant part of their anatomy that aids in respiration and locomotion. Additionally, like other mollusks, cephalopods possess a radula, a specialized feeding organ used for scraping food. These features highlight their evolutionary relationship within the mollusk phylum.