WebThe basic foot form in gastropods is a flat, broadly tapered, muscular organ. A series of paired ganglia are connected by nerve cords; chemoreceptors are scattered over the … WebIt forms tentacles for locomotion in cephalopods. Which of the following is not a function of the molluscan foot? Select one: a. It forms a cavity that houses the gills in gastropods. b. Most gastropods move by gliding on their muscular foot. c. It forms tentacles for grasping food in cephalopods. d. It is a digging organ in bivalves.
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WebDescribe the morphology and anatomy of mollusks. Biology. 4. Previous. Next > Answers . Answers #1 . Describe the feeding mechanism of sponges and identify how it is different from other animals. 7. Answers #2 . All right, this questions asking you to compare peripheral to Nigerians Peripheral is a fancy way of saying sponges, and I'd Erian's. WebMollusks have a body plan that includes a calcium carbonate shell set in a protein matrix (although some mollusks have secondarily lost their shells), mantle tissue that secretes the shell and performs a variety of other functions, depending on the group, and a muscular foot modified for different functions in different classes.
WebFoot - in bivalves, hatchet-like, expandable structure involved in burrowing. Glassy - surface resembling glass, vitreous, transparent. Granulated - surface covered with minute grains, pustules, or beads. Growth lines - lines on shell surface indicative of alternating periods of growth and rest; sometimes corre-sponding to seasonal changes. WebWhat are three functions of a mollusks foot? A mollusk's muscular foot is used for locomotion and anchorage, varies in shape and function, and can both extend and retract. The visceral mass inside the mollusk includes digestive, nervous, excretory, reproductive, and respiratory systems.
WebThe phylum Mollusca is the second-largest animal phylum, with over 100,000 species. The molluscs include many familiar animals, including clams, snails, slugs, and squid, as well as some less familiar animals, like tusk shells and chitons (Fig. 3.51 A). Molluscs are found in nearly all freshwater and marine environments, and some are found also ... WebThe Pelecypoda, Bivalva or Lamellibranchia (Latin for leaf-gill) (the only class with three names!!) is comprised of molluscs known more commonly as just u001cbivalves u001d, because they have two separate halves to their shells. They all have two-part shells, hinged dorsally . The head is greatly reduced in size and their foot is laterally ...
WebThe muscular foot varies in shape and function, depending on the type of mollusk (described below in the section on mollusk diversity). It is a retractable as well as extendable organ, used for locomotion and anchorage. Mollusks are eucoelomates, but the coelomic cavity is restricted to a cavity around the heart in adult animals.
WebMollusks The nervous system and organs of sensation. In the nervous system typical of mollusks, a pair of cerebral ganglia (masses of nerve cell bodies) innervate the head, mouth, and associated sense organs. From the dorsal cerebral ganglia, two pairs of longitudinal nerve cords arise: a pair of lateral (pleural) nerve cords, often forming pleural … mario land box artWeb7 jun. 2009 · Yes, the clam does in fact have a foot. The majority of a clam's body is considered a foot, as it is used to push the clam across the sand or in the water. mario land creditsnature\\u0027s way storeWeb7 jun. 2009 · What is the function of a clam palp? The main function of a calm palp is to help with digestion. It helps control how much food gets digested by the clam. What is alive and has only one foot?... mario land disneyWebThe molluscan foot (see Figure 16-2) may be variously adapted for locomotion, for attachment to a substratum, or for a combination of functions. It is usually a ventral, … mario land downloadWebBody Structures and Functions. The basic body structure, consisting of a foot, visceral mass, and mantle, is similar in most mollusks. The foot is located below the visceral mass. The external shell consists of three layers. The thin outer layer, called the periostracum, is made of a tough hornlike material and serves to protect the lower layers. mario land flashWebThe foot forms an anteriorly elongated and slendered burrowing organ in scaphopods, is ax-shaped to vermiform in bivalves, and is modified to a siphon or funnel in cephalopods. … mario land background