WebOct 13, 2024 · All cephalopods move by filling their body cavity with water and squirting it out through a siphon, which creates a narrow jet of water that propels the animal in the opposite direction, Staaf... WebIn muscle: Mollusks. …highly muscular organ called the foot, through which muscle fibres run in all directions. The foot of a gastropod is a flat structure used for crawling. Waves of muscular contraction travel along its length, moving the animal slowly over the ground. The foot of a bivalve mollusk is a bulbous…. Read More.
Chitons - Class Polyplacophora - The Australian Museum
WebChitons are in the class Polyplacophora (poly meaning many; placo meaning plate or shell; phora meaning bearing). A chiton’s mantle produces eight shell-like plates that cover the body. Joints between the plates allow the chiton to curl up in a ball and to move flexibly (Figs. 3.51 A and 3.53 A). WebOct 26, 2024 · This well-armored creature’s body is covered by an overlapping eight-part shell (called shell valves), which protects its soft molluscan body. Chitons do move and … to get download link click on image below
Cephalopods: Facts about octopus, squid, nautilus and more
WebMay 31, 2024 · The large, lumpy mollusk creeps along the waters of the Pacific coast, pulling its reddish-brown body up and down the shoreline. It is sometimes known, not unreasonably, as “the wandering... WebLocomotion of mollusks some slow moving, others modified for rapid locomotion Mollusks modified for rapid locomotion squid and octopuses habitat of mollusks primarily marine; some freshwater (mussels and snails; some on land (snails and some slugs) Mollusk symmetry bilaterally symmetrical tissue layer of mollusks WebChitons use a large, flat foot for creeping along and clinging to rocks; they also have a well-developed radula (filelike structure) with which to scrape algae and other plant food from rocks. On either side of the foot is a groove containing the gills. togetda the mussels