what feature is found in all mollusks
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Characteristics of Mollusks Mollusks are soft-bodied invertebrates with bilateral symmetry and usually one or two shells. Their organs are in a fluid-filled cavity; the word mollusks in Latin means soft. Most of the mollusks live in water but some live on land. There are more than 110,000 species that have been identified.
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- Release investigation directed by Ecology to determine if the UST system is the source of offsite impacts. UST system is undergoing a “change-in-service”, which is changing from storing a regulated substance (e.g. gasoline) to storing a non-regulated substance (e.g. water).
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- Making the world better, one answer at a time. Mollusks have reduced coeloms for body cavities. These are made of layers of mesoderm and are used for suspending the mollusk's internal organs.pithelial tissue is one of the four types of tissue in the body (nervous, muscular, and connective being the other three) that lines the body cavities. It is also found in th … e skin, which is the organ that covers most of the body's surface. + 2 others found this useful. Pam Hurston.
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Mollusks Mollusks (Phylum Mollusca) are found in marine, brackish, and fresh waters. They include a diverse group of animals such as clams, mussels, oysters, scallops, abalone, conchs, shipworms, snails, nudibranchs, chitons, squids, and octopuses.ollusks (Phylum Mollusca) are found in marine, brackish, and fresh waters. They include a diverse group of animals such as clams, mussels, oysters, scallops, abalone, conchs, shipworms, snails, nudibranchs, chitons, squids, and octopuses.
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Mollusks Lesson for Kids Mollusks also have a special feature called a radula. Their radula is a sharp tongue-like body part that is used to scrape food off of hard surfaces and push it into their mouths. Mollusks can be found all over the world, on land and in the water. Depending on the animal, they can be found in either freshwater or saltwater. Clams can live in both freshwater and saltwater.
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Mollusks Clams, Mussels and Oysters are common types of Mollusks. Mollusks are invertebrates that live in ocean, freshwater and terrestrial habitats. It is estimated that there are as many as 120,000 different species of mollusk.There are several different classes of mollusk.The most common mollusks are the gastropods (e.g., snails and slugs), the cephalopod (e.g., octopus, squid and cuttlefish) and the bivalve (e.g., clam, muscle, oyster and scallop).The Giant Squid and the Colossal Squid are the largest animals without a backbone.he most common mollusks are the gastropods (e.g., snails and slugs), the cephalopod (e.g., octopus, squid and cuttlefish) and the bivalve (e.g., clam, muscle, oyster and scallop). The Giant Squid and the Colossal Squid are the largest animals without a backbone.
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List of the Three Major Body Regions of a Mollusk List of the Three Major Body Regions of a Mollusk. The snail is a common land mollusk. Creatas Images/Creatas/Getty Images. Invertebrate animal types categorized as mollusks include more than 50,000 different species living today.These creatures live in every possible environment on the planet.he Foot. A mollusk has a foot, the body's muscular section, responsible for movement. The foot of some mollusks has also adapted to attaching to rocks and grasping prey. To ease movement, mollusks such as snails and slugs release secretions from their feet, then slide along the mucus, forming a trail.
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Body Structure and Symmetry For most mollusk, their shell is external including snails, scallops, oysters, clams and mussels. For other mollusk, like squid, and cuttlefish, they have a internal skeleton similarly to a shell. There are also some that do not have a shell at all, like octopus and slugs, with only a mantle for protection of organs. SYMMETRY. Mollusks have bilaterally symmetry, meaning that they have a body arrangement that is symmetrical, along the center. Also, when the body is divided into two, they are alike.
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- Mollusks are found in almost every habitat and include creatures such as snails, octopus, clams, abolones, mussels and oysters. With over 100,000 different species, mollusks are a diverse group. Despite their diversity, mollusks all share at least three distinct characteristics.
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What type of body cavity do mollusks have? Mollusks have reduced coeloms for body cavities. These are made of  layers of mesoderm and are used for suspending the mollusk's  internal organs.he basic body structure, consisting of a foot, visceral mass, and mantle, is similar in most mollusks. The foot is located below the visceral mass.
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What is a Mollusk? Cephalopods are one of the smaller mollusk groups at around 800 known species, but they are the most familiar group to many of us thanks to their elaborate, well documented behavior. Cephalopods are found throughout the world oceans at all depths. In this group, only the Nautiluses have a substantial outer shell.here are nearly 100 000 known species and this is likely to be a gross underestimate of the total number, considering how many mollusks we’ve already found in remote habitats, like the deep sea, that we have as yet only barely sampled.
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- Body Plan of the Mollusks In their basic body plan (figure 45.5), mollusks have dis-tinct bilateral symmetry. Their digestive, excretory, andreproductive organs are concentrated in a visceral mass, and a muscular foot is their primary mechanism of loco-motion.
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- Soft-bodied invertebrates, mollusks include slugs, snails, octopuses, squid, clams, and mussels.Most mollusks have SHELLS to protect them.OLLUSK CLASSIFICATION. SHELLS. FIND OUT MORE. Soft-bodied invertebrates, mollusks include slugs, snails, octopuses, squid, clams, and mussels. Most mollusks have SHELLS to protect them.
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Of Snails and Squids: Characteristics of the Adaptive Mollusk Mollusca is the term for the phylum of animals containing mollusks. It is very diverse and contains many marine and freshwater organisms. Examples of mollusks are snails, octopus, mussels.
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- Secondly, they provide. rigidity and shape. One well-known group of animals that secrete shells is called mollusks. There are eight classes of mollusks grouped according to the. characteristics of their shells. Single-shelled organisms are ca lled. Gastropods. A snail is a gastropod, with a single shell that. spirals outward and to one side as it grows.
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Wildlife Mollusks. The phylum Mollusca is the largest and most diverse phylum of animals next to arthropods. Mollusks can be found in nearly every ecosystem on earth, from high, barren mountains to grassy plains, lakes, rivers and in all seas and oceans.ollusks. The phylum Mollusca is the largest and most diverse phylum of animals next to arthropods. Mollusks can be found in nearly every ecosystem on earth, from high, barren mountains to grassy plains, lakes, rivers and in all seas and oceans.
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What is a bivalve mollusk? Bivalve mollusks (e.g., clams, oysters, mussels, scallops) have an external covering that is a two-part hinged shell that contains a soft-bodied invertebrate.
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- • Respiration – Most mollusks respire with gills, which are located in the mantle cavity. The mantle cavity is a space between the mantle and the visceral mass. – Mollusk gills extract 50% or more of the dissolved oxygen from the water that passes over them.– Most terrestrial snails have no gills.dditions and changes to the original content are the responsibility of the instructor. Mollusks and Annelids continued • Marine Worms – Marine segmented worms are members of the class Polychaeta, the largest group of annelids.
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- The new feature this time shows up in a few mollusks, such as the chitons, but its unclear what effect it had on most of the mollusks history. There seems a good chance that this chapters group has some mollusks on its family tree. The feature is segmentation (technically called metamerism, probably to avoid confusion among all the different types of segments in animals).
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- Body Plan. Mollusks have a thin layer of tissue called the mantle. The mantle covers the body organs, which are located in the visceral mass. Between the soft body and the mantle is a space called the mantle cavity.Mollusks contain gills.ollusks have a thin layer of tissue called the mantle. The mantle covers the body organs, which are located in the visceral mass.
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- rigidity and shape. One well-known group of animals that secrete shells is called mollusks. There are eight classes of mollusks grouped according to the characteristics of their shells. Single-shelled organisms are ca lled Gastropods. A snail is a gastropod, with a single shell that spirals outward and to one side as it grows. The coiling may be
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- Molluscs include such familiar creatures as clams, oysters, snails, and octopi. They share a distant common ancestor with the annelid worms, an evolutionary heritage suggested by their larval form, called a trochophore larva, found in all molluscs and in certain marine annelids called polychaete worms.ivalves form a pair of siphons, sometimes formed by folds of the mantle, which let water in (incurrent siphon) or let water out (excurrent siphon). The flow of water is caused by the beating of the cilia that cover the gills. The water current brings in oxygen, food, and gametes, and carries off waste materials.
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Mollusks Mollusks comprise a group of soft-bodied animals that includes snails, clams, and sea slugs. The most common characteristic of most mollusks is their shell. One of the largest groups, the snails, is renowned for their shells. Snails are univalves, which means they have one shell.And it is this shell that for many people is the epitome of the ocean.he most common characteristic of most mollusks is their shell. One of the largest groups, the snails, is renowned for their shells. Snails are univalves, which means they have one shell. And it is this shell that for many people is the epitome of the ocean.
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Radula Mollusk: Mollusk, 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. Along with the insects and vertebrates, it is one of the most diverse groups in the animal kingdom, with nearly 100,000 (possibly
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Natural Sciences (BS) Natural Sciences (BS) 1  According to the U.S. Bureau of Labor Statistics, the health care and social assistance industry is projected to create about 28 percent of all new jobs in the U.S. economy by 2020—an estimated 5.7 million new jobs.
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Mollusks Mollusks. Mollusks comprise a group of soft-bodied animals that includes snails, clams, and sea slugs. The most common characteristic of most mollusks is their shell. One of the largest groups, the snails, is renowned for their shells. Snails are univalves, which means they have one shell.And it is this shell that for many people is the epitome of the ocean.he most common characteristic of most mollusks is their shell. One of the largest groups, the snails, is renowned for their shells. Snails are univalves, which means they have one shell. And it is this shell that for many people is the epitome of the ocean.