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Phylum Mollusca is the second largest phylum. A few molluscs such as Unio possess green glands which mimic the liver in vertebrates. They possess osphradia to test the chemical nature of water. The statocysts maintain body equilibrium. Octopus has 8 arms and contains no shell. They also possess ink glands for protection.The snail’s body is also rounded and cone-like in shape to fit its shell. The underside of its body is the foot, a muscular suckerlike flesh that can securely clamp onto a rock. On the head of this limpet are two tentacles and a mouth. Inside the mouth is a powerful tongue, called a radula, with teeth made from iron and other minerals that ...Mollusca is one of the most diverse groups of animals on the planet, with at least 50,000 living species (and more likely around 200,000). It includes such familiar organisms as snails, octopuses, squid, clams, scallops, oysters, and chitons. Mollusca also includes some lesser known groups like the monoplacophorans, a group once thought to be ...

Physical Attributes. Snails belong to the Mollusca phylum, specifically within the class Gastropoda. The Gastropods include land snails and slugs, which are essentially snails without a shell. The most noticeable feature of snails is their shell, which is typically spiral-shaped and accommodates the snail's size as it grows.The shell is designed to protect the snail from predators and the ...Dec 3, 2022 · The gastropod class includes snails, whereas the Insecta class includes bugs and other flying creatures. Land, freshwater, and saltwater snails are all included in the class of gastropods. Slugs are also included. There are between 65,000 and 80,000 distinct species in the class altogether. They are thought to be 500 million years old. Class: Gastropoda The class . gastropoda . includes slugs and snails. The majority have a shell that the animal can withdraw its body into and are called snails. Gastropods that lack a shell are called slugs. The loss of the shell was an evolutionary change, which provided slugs with the advantage of being better at maneuvering and squeezing At the same time they are members of the class Gastropoda, which includes all snails and slugs. Being a mollusk means lacking an internal skeleton and bones but ...Snails have protective shells. Snails are really small--usually less than an inch long! There is one type of snail, the giant African land snail, that can be 8 inches long and weigh up to 2 pounds ...

Snail. Size: Length: 1.9-27.5 in (4.8 to 70 cm) The smallest species of snail is Angustopila psammion at 4.8 cm, while the largest is the giant whelk at 70 cm. Weight: 0.055-5.51 lb (0.025 to 25 kg) Shell: The shell is a vital part of the snail, holding most of its vital organs. It is made of calcium carbonate and shaped like a spiral. The snail, a little creature that stays close to grass, leaves, walls, or fruits, is contented with it’s own wealth and does not rely on others. The Snail depends only on its own strength, determination, and honesty to cope with the difficulties. The entire poem is about the snail and it’s struggles in life, as well as it’s unique ...Snail Phylum. The snail phylum is a class of animals that includes snails, slugs, and other similar creatures. These creatures are characterized by their soft bodies and lack of a hard shell. The snail has over 85,000 species known to science. The organisms can be found in both aquatic and terrestrial environments (both fresh and marine). ….

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Etymology. The taxonomic term Bivalvia was first used by Linnaeus in the 10th edition of his Systema Naturae in 1758 to refer to animals having shells composed of two valves. More recently, the class was known as Pelecypoda, meaning "axe-foot" (based on the shape of the foot of the animal when extended).The name "bivalve" is derived from the Latin bis, …Hint: Snails belong to the largest class of Phylum Mollusca that is Class Gastropoda. It comprises more than $80\%$ of all molluscs. Complete answer: Scientific classification of snails: Kingdom - Animalia Phylum - Mollusca Class - Gastropoda Order - Achatinoidea Snails are extremely slow moving herbivores which are found on every continent in the …Lissachatina fulica is a species of large land snail that belongs in the subfamily Achatininae of the family Achatinidae. [1] It is also known as the Giant African land snail. [2] It shares the common name "giant African snail" with other species of snails such as Achatina achatina and Archachatina marginata.

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how to become a literacy specialist Snail. Snails have a hard outer-rounded structure which is known as the shell. A thick structure comes out from the opening of the shell which is known as the foot and is made of very strong muscles. The foot is lubricated from beneath with mucus, which helps it to move smoothly. The snail moves with the help of waves of muscular contraction.Oct 10, 2023 · Pulmonata or pulmonates, is an informal group (previously an order, and before that a subclass) of snails and slugs characterized by the ability to breathe air, by virtue of having a pallial lung instead of a gill, or gills.The group includes many land and freshwater families, and several marine families. The taxon Pulmonata as traditionally … fundamental math for data sciencecommunity stories Jan 1, 2017 · J. Mark Rottschafer. R.J. Boczkowski. Harry B. Mark. A review is given of the methods that have been proposed for enrichment of trace elements in samples that are to be analysed by neutron ... wikifeet pipkin pippa CBSE Notes What is a Snail? Mollusca is the animal kingdom's second-largest phylum, accounting for a significant portion of the world's fauna. The Gastropoda are the only molluscs to have successfully inhabited land. Gastropoda is a large part of the phylum Mollusca and the most diverse class in the phylum.Oct 13, 2023 · NCERT Solutions. CBSE Study Material. Textbook Solutions. CBSE Notes. What is a Snail? Mollusca is the animal kingdom's second-largest phylum, accounting for … sports marketing and media jobshannah bishopanchor and rose tattoo co. This semi-slug belongs to the family Helicarionidae, a large and diverse family of snails distributed from Africa through to south-eastern Asia, the western Pacific and Australia. E. SNAIL (vegetarian) Cornu aspersum, Callanan Track (European Garden Snail). This snail belongs to Helicidae, is a large family of snails, native to the Palaearctic ... concur airline booking Sep 15, 2023 · Snail, a gastropod, especially one having an enclosing shell, into which it may retract completely for protection. A gastropod lacking a shell is commonly called a slug or sea.The class is made up of the snails, which have a shell into which the animal can withdraw, and the slugs, which are snails whose shells have been reduced to an internal fragment or lost. online masters in readingfrench heritage monthelaboration learning strategy Learning English as a second language (ESL) can be a daunting task. With so many resources available, it can be difficult to know where to start. Fortunately, there are many free ESL classes available online that can help you get started.