bivalve definition biology

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Also called lamellibranch , pelecypod . adj. Some knowledge of bivalve biology is necessary to understand operations of a bivalve hatchery and to assist in solving problems that arise. These animals produce their byssal threads using a byssus gland, located within the organism's foot. ADVERTISEMENTS: In this article we will discuss about Phylum Mollusca:- 1. 'Bi' means two and 'valve' is really 'valvae', which means 'leaves of a door'. We’ll go over the different parts of the scrotum and how they function. 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 adj. Habit and Habitat of Phylum Mollusca 3. Mantle and Mantle Cavity 8. Characteristic Features 5. 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 When you eat a shelled bivalve, you're eating the body or a muscle inside. When you're eating a scallop, for example, you're eating the adductor muscle. adj. 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. A mollusk having a shell consisting of two lateral plates or valves joined together by an elastic ligament at the hinge, which is usually strengthened by prominences called teeth.The shell is closed by the contraction of two transverse muscles attached to the inner surface, as in the clam, -- or by one, as in the oyster. STUDY. You likely know them as shellfish. She serves as the executive director of the Blue Ocean Society for Marine Conservation. 1 people chose this as the best definition of valve: The definition of a valve... See the dictionary meaning, pronunciation, and sentence examples. 2. The mantle of mollusks and brachiopods secretes the shell in species that possess shells. The trocophore is a ciliated, free-swimming stage. The largest bivalve is the giant clam. They belong to the phylum Mollusca, which are more commonly called 'mollusks'. Shipworms are a bivalve that doesn't have a very visible shell - their shell is made up of two valves at the worm's anterior (back) end. The valves lie on the left and right sides of the animal. Definition of Phylum Mollusca 2. Bivalves have epifaunal or infaunal lifestyles but are largely filter feeders that couple the water column and benthos. hemocoel. Also called lamellibranch, pelecypod. Usually water enters the mantle cavity through the inhalant siphon, moves over the gills, and leaves through the exhalant siphon. 2. Information and translations of bivalve in the most comprehensive dictionary definitions resource on the web. Bivalve Bi"valve ( ), n. [F. bivalve; bi-(L. bis) + valve valve.] 2. Pour la zone non incorporée américaine, voir Bivalve (Californie) . Discover surprising insights and little-known facts about politics, literature, science, and the marvels of the natural world. See more. 1. Development. The bivalve's two siphons are situated at the posterior edge of the mantle cavity. Bivalve ecology is a large field of study, but few comparisons among aquatic ecosystems or lifestyles have been conducted. The shell grows as the organism inside gets bigger. 2. 1. Lindner, … The scrotum is a sac of skin that contains several important parts of the male reproductive system. the blood-filled space or body cavity of some invertebrates. Development. Reproductive System 10. bivalve définition, signification, ce qu'est bivalve: 1. a type of mollusc, such as an oyster, that has its body inside two connected shells: 2. having…. See more. Bivalve Bi"valve ( ), n. [F. bivalve; bi-(L. bis) + valve valve.] Clam Dissection Introduction The phylum Mollusca includes snails, clams, chitons, slugs, limpets, octopi, and squid. The hinge margin is typically united by a non-calcified ligament and a set of articulating hinge teeth. Characteristic Features 5. Definition - reduced to point where it is just a small sac of fluid that supports the heart like pericardium - dont need hydrostatic cavity because locomotion and support is achieved in different ways ganglion. 1 people chose this as the best definition of valve: The definition of a valve... See the dictionary meaning, pronunciation, and sentence examples. How to use bivalve in a sentence. « Bivalve » redirige ici. the fluid that circulates through the body of an animal that has an open circulatory system. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. Excretory System 9. The space between the mantle and the body mass in mollusks. Division Jump to: navigation, search In biology, a division is the equivalent of a phylum in a kingdom.Botanists use the word "division" where zoologists use the word "phylum".In biology, a phylum is a taxonomic rank below kingdom and above class.. Division 1. bivalve n noun: Refers to person, place, thing, quality, etc. Learn more. The adductor muscle is a round, meaty muscle that the scallop uses to open and close its shell. Mantle, in biology, soft covering, formed from the body wall, of brachiopods and mollusks; also, the fleshy outer covering, sometimes strengthened by calcified plates, of barnacles. This is my vocab (assignment due Mon) for Adv Biology--the Mollusks part. Intertidal Zone Characteristics, Challenges, and Creatures, Nudibranch Sea Slugs: Species, Behavior, and Classifications, M.S., Resource Administration and Management, University of New Hampshire, B.S., Natural Resources, Cornell University. Not all bivalves have externally visible shells - some are small, some are not even visible. A bicuspid aortic valve may cause the heart's aortic valve to narrow (aortic valve stenosis). Bivalve Behavior during Reproduction and Development Although bivalves comprise a very large class of animals, they exhibit relatively few behaviors during reproduction and development. A bivalve's shell is formed of calcium carbonate that is secreted from the bivalve's mantle, which is the soft wall of the animal's body.The shell grows as the organism inside gets bigger. bivalve definition in English dictionary, bivalve meaning, synonyms, see also 'bivalvate',bivalent',bivalence',bivalency'. This narrowing prevents the valve from opening fully, which reduces or blocks blood flow from the hear… In most cases, reproduction is sexual with external fertilization. They also don't have a radula or jaws. Bivalve molluscs are abundant in marine and freshwater ecosystems and perform important ecological functions. Many bivalves feed by filter feeding, in which they draw water over their gills, and tiny organisms collect in the organism's gill mucus. Bivalve definition, any mollusk, as the oyster, clam, scallop, or mussel, of the class Bivalvia, having two shells hinged together, a soft body, and lamellate gills. This species has a shell that is less than a millimeter in size. Taxonomic Retrospect 4. noun zoology One of the lateral prominence just above the hinge of a bivalve shell. People may also be born with one (unicuspid) or four (quadricuspid) cusps, but these are rare. A device that admits fuel and air into the cylinder of an internal combustion engine, or one that allows combustion gases to exit. valve (bī′vălv′) n. Any of numerous freshwater and marine mollusks of the class Bivalvia, having a shell consisting of two hinged valves connected by a ligament, and including the clams, mussels, oysters, and scallops. adj. Jennifer Kennedy, M.S., is an environmental educator specializing in marine life. The bivalve's two siphons are situated at the posterior edge of the mantle cavity. (Zoöl.) It is broken down into many fields, reflecting the complexity of life from the atoms and molecules of biochemistry to the Biology Dictionary provides definition, examples and quiz for common biology terms, including molecular biology, cell biology, Reproductive System 10. The water is circulated by the action of the gills. Classification 6. Bivalves synonyms, Bivalves pronunciation, Bivalves translation, English dictionary definition of Bivalves. Learn more. This is my vocab (assignment due Mon) for Adv Biology--the Mollusks part. Primitive forms were detritivorous, whereas modern bivalves are suspension feeders that collect food particles from seawater using ciliated ctenidia (modified gills). bivalve meaning: 1. a type of mollusc, such as an oyster, that has its body inside two connected shells: 2. having…. bivalve (bī′vălv′) n. Any of numerous freshwater and marine mollusks of the class Bivalvia, having a shell consisting of two hinged valves connected by a ligament, and including the clams, mussels, oysters, and scallops. According to NOAA, the commercial value of bivalve harvests in 2011 was over $1 billion, just in the U.S.  This harvest weighed over 153 million pounds.Â, Bivalves are organisms particularly vulnerable to climate change and ocean acidification. Some people are born with a bicuspid aortic valve, in which the aortic valve located between the lower left heart chamber (left ventricle) and the main artery that leads to the body (aorta) has only two (bicuspid) cusps instead of three. Learn more. Bivalve environments and enemies: an artist’s impression of a seascape showing the different modes of life of modern and fossil marine bivalves. 1. What Are the Characteristics of a Sea Squirt? Some knowledge of bivalve biology is necessary to understand operations of a bivalve hatchery and to assist in solving problems that arise. Bivalves are found in both freshwater and marine environments.Â. The blue mussel is a bivalve - it has two equally-sized, hinged shells that fit together and enclose the animal's soft body. Bivalve - Bivalve - Ecology and habitats: The division and lateral compression of the shell into two valves is clearly related to the adoption of a burrowing mode of life, which is achieved by a muscular foot. The image shows the shell and internal body of a bivalve mussel. Bivalves have epifaunal or infaunal lifestyles but are largely filter feeders that couple the water column and benthos. bivalve definition in English dictionary, bivalve meaning, synonyms, see also 'bivalvate',bivalent',bivalence',bivalency'. hemolymph. Pelecypoda, Lamellibranchia • Bivalves Pour les articles homonymes, voir Acephala . Related Biology Terms. Habituation, the waning of an animal’s behavioral response to a stimulus, as a result of a lack of reinforcement during continual exposure to the stimulus. Contents: Definition of Molluscs Habit and Habitat of […] The embryos develop in the water column and go through a larval stage before eventually developing their shell.Â, Bivalves are some of the most important seafood species. Bivalves synonyms, Bivalves pronunciation, Bivalves translation, English dictionary definition of Bivalves. All bivalves are mollusks. Examples of bivalves are clams, mussels, oysters, and scallops. Also called lamellibranch, pelecypod. (Zoöl.) A bivalve is an animal that has two hinged shells, which are called valves. It also forms a mantle The word 'bivalve' comes from the Latin bis ('two') and valvae('leaves of a door'). Basic bivalve biology: taxonomy, anatomy and life history 2.1 TAXONOMY AND ANATOMY 2.1.1 Introduction. Learner's definition of BIVALVE [count] biology: a sea animal that has a shell with two movable parts connected by a hinge. 1. Excretory System 9. Not all bivalves have externally visible shells - some are small, some are not even visible. Basic bivalve biology: taxonomy, anatomy and life history 2.1 TAXONOMY AND ANATOMY 2.1.1 Introduction. Having a shell consisting of two hinged valves. Radial Symmetry – Refers to an organism, which has several planes that it could be cut through, to produce roughly identical pieces. Â. Bivalves are found in the Phylum Mollusca, Class Bivalvia. clams, mussels, oysters, and other bivalves [+] more examples [-] hide examples [+] Example sentences [-] Hide examples — bivalve adjective. bivalve meaning: 1. a type of mollusc, such as an oyster, that has its body inside two connected shells: 2. having…. Classification 6. Developmental Biology 329 (1): 152 – 166. 2. The symmetry of the two halves of the shell can be seen in the bottom image. ... A tube through which water exits the mantle cavity of the bivalve. noun biology A boss, or rounded elevation, or a corresponding depression, in a palate, disk, or membrane; as, the umbo in the integument of the larvæ of echinoderms or in the tympanic membrane of the ear. A bivalve is an animal belonging to the class Bivalvia. Mollusks also have a radula or file-like organ for feeding, a mantle that may … Continue reading "Clam Dissection" Also called, The very low levels of the heavy metals copper and zinc in mussel pallial fluid, however, suggest that they have a less important role as anti-bacterial agents in mussels than in oysters and support the conclusion that antimicrobial factors, in addition to lysozyme and heavy metals, are involved in the immune response of this, melanogaster, and shell matrix proteins in, Nor would the pattern of over- and underrepresentation of, (2010) who studied the biology and ecology of the, ARS scientists are looking at the impact of, After poring over more than 62,000 records of where marine, The calcium carbonate crystalline phase in, A small hand shovel or rake can aid in your pursuit of these tasty, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, Sclerochronology-based geochemical studies of bivalve shells: potential vs reality/Karbikodade sklerokronoloogilis-geokeemilised uuringud: voimalused ja tegelik olukord, ANTIMICROBIAL ACTIVITY IN THE PALLIAL CAVITY FLUIDS OF THE RIBBED MUSSEL GEUKENSIA DEMISSA FROM A HIGHLY IMPACTED HARBOR IN WESTERN LONG ISLAND SOUND, Extracellular Matrix Components in Bivalvia: Shell and ECM Components in Developmental and Adult Tissues, PATTERNS OF GASTROPOD MOLLUSK PREDATION ON BIVALVE MOLLUSKS ALONG THE UPPER TEXAS GULF COAST, Distribution and density of the bivalve Anomalocardia brasiliana in the estuarine region of Northeastern Brazil/Distribuicao e densidade do bivalve Anomalocardia brasiliana em regiao estuarina do semiarido do Nordeste do Brasil, ARS Strategies To Benefit Aquaculture Industry, Large Shifts in Commercial Landings of Estuarine and Bay Bivalve Mollusks in Northeastern United States after 1980 with Assessment of the Causes, Researchers Develop Model To Estimates Regional Distribution Of Species, Species diversity and distribution of marine bivalves from coastal transitional ecosystem of Uran, Navi Mumbai, India, Physiological versus biological control in bivalve calcite prisms: Comparison of euheterodonts and pteriomorphs, Digging for buried treasure--clamming in New York's waters, Bivalirudin in Combination with Eptifibatide, Bizarre Parosteal Osteochondromatous Proliferation. 3. (Zoöl.) Habit and Habitat of Phylum Mollusca 3. chromatophore. Venus shell definition: a marine bivalve mollusc of the family Veneridae , typified by the intertidal Venus... | Meaning, pronunciation, translations and examples Learner's definition of BIVALVE [count] biology: a sea animal that has a shell with two movable parts connected by a hinge. En savoir plus. Meaning of bivalve. valve (plural valves) 1. Having a shell consisting of two hinged valves. bivalve, aquatic mollusk of the class Pelecypoda ("hatchet-foot") or Bivalvia, with a laterally compressed body and a shell consisting of two valves, or movable pieces, hinged by Enrich your vocabulary with the English Definition dictionary PLAY. organisms with body shapes that are mirror images along a midline called the sagittal plane These animals produce their byssal threads using a byssus gland, located within the organism's foot. bivalve (bī′vălv′) n. Any of numerous freshwater and marine mollusks of the class Bivalvia, having a shell consisting of two hinged valves connected by a ligament, and including the clams, mussels, oysters, and scallops. The most primitive bivalves were probably deposit feeders, collecting detritus from the sediment surface. Byssal, or byssus, threads are strong, silky fibers that are made from proteins that are used by mussels and other bivalves to attach to rocks, pilings or other substrates. Definition of Phylum Mollusca 2. bivalve: (bī′vălv′) n. Any of numerous freshwater and marine mollusks of the class Bivalvia, having a shell consisting of two hinged valves connected by a ligament, and including the clams, mussels, oysters, and scallops. noun mycology A bump or protrusion on the top of the cap. So essentially, the bivalves are those with a two sided shell that will open and close via a hinge, like a door. Marine bivalves are found around the world, from polar regions to tropical waters and from shallow tide pools to deep-sea hydrothermal vents.Â. Enrich your vocabulary with the English Definition dictionary Bivalve Bi"valve ( ), n. [F. bivalve; bi-(L. bis) + valve valve.] The water is circulated by the action of the gills. 'Bi' means two and 'valve' is really 'valvae', which means 'leaves of a door'. Some bivalves have separate sexes, some are hermaphroditic (have male and female sex organs). A bivalve's shell is formed of calcium carbonate that is secreted from the bivalve's mantle, which is the soft wall of the animal's body. Increasing acidity in the ocean is affecting the ability for bivalves to effectively build their calcium carbonate shells.Â. Having a shell consisting of two hinged valves. The name bivalvecomes from Latin as most biological classifications do. It is usually considered to be a form of learning involving the elimination of behaviours that are not needed by the animal. A marine mollusk that has tentacles extending from the head: an octopus squid cuttlefish or nautilus. adj. PLAY. Also called lamellibranch, pelecypod. hemolymph. The bivalve shell typically consists of two calcareous, convex valves that are hinged dorsally and free ventrally. The expansive ctenidia, in addition to functioning in gas exchange, are the main feeding organs. You may have seen or even eaten an oyster or scallop. in biology, a layer of tissue that covers the body of many invertebrates. There is an inhalant or incurrent siphon, and an exhalant or excurrent siphon. (anatomy) One or more membranous partitions, flaps, or folds, which permit the passa… Définition bivalve dans le dictionnaire anglais de définitions de Reverso, synonymes, voir aussi 'bivalvate',bivalent',bivalence',bivalency', expressions, conjugaison, exemples The valves of the clam may be over 4 feet long, and the clam itself may weigh over 500 pounds. Mussels (1) and oysters (2) attach themselves to rocky surfaces, while burrowing (3 & 4) and rock-boring (5) bivalves hide beneath the sea bed. Definition of bivalve in the Definitions.net dictionary. A mollusk having a shell consisting of two lateral plates or valves joined together by an elastic ligament at the hinge, which is usually strengthened by prominences called teeth.The shell is closed by the contraction of two transverse muscles attached to the inner surface, as in the clam, -- or by one, as in the oyster. There is an inhalant or incurrent siphon, and an exhalant or excurrent siphon. mantle cavity. The act of dividing. The also breathe by drawing fresh oxygen from the water as it passes over their gills. Having a shell consisting of two hinged valves. 2. Bivalve definition: any marine or freshwater mollusc of the class Pelecypoda ( formerly Bivalvia or... | Meaning, pronunciation, translations and examples adj. Some bivalves move around (e.g., scallops), some burrow into the sediment (e.g., clams) or even rocks, and some attach to hard substrates (e.g, mussels). More recently, the class was known as Pelecypoda, meaning "axe-foot" (based on the shape of the foot of the animal when extended). The first thing that mig… clams, mussels, oysters, and other bivalves [+] more examples [-] hide examples [+] Example sentences [-] Hide examples — bivalve adjective. Byssal, or byssus, threads are strong, silky fibers that are made from proteins that are used by mussels and other bivalves to attach to rocks, pilings or other substrates. ... a tube through which water exits the mantle cavity of a bivalve. Mantle and Mantle Cavity 8. Glossary of Cell Biology Terms from Anaphase to Telophase Biology is the study of living things. valve (bī′vălv′) n. Any of numerous freshwater and marine mollusks of the class Bivalvia, having a shell consisting of two hinged valves connected by a ligament, and including the clams, mussels, oysters, and scallops. Bivalves are aquatic animals, and different species … Bivalve ecology is a large field of study, but few comparisons among aquatic ecosystems or lifestyles have been conducted. ... a tube through which water exits the mantle cavity of a bivalve. Number and Size 7. The valves lie on the left and right sides of the animal. Not all bivalves have externally visible shells - some are small, some are not even visible. hemocoel. Contents: Definition of Molluscs Habit and Habitat of […] The smallest bivalve is thought to be the saltwater clam Condylonucula maya. Bivalvia, class Bivalvia, class Lamellibranchia, class Pelecypoda, Lamellibranchia [membre] A mollusk having a shell consisting of two lateral plates or valves joined together by an elastic ligament at the hinge, which is usually strengthened by prominences called teeth.The shell is closed by the contraction of two transverse muscles attached to the inner surface, as in the clam, -- or by one, as in the oyster. Bivalves, or Bivalvia, refer to a class of animals that live in freshwater and saltwater. "A novel role for dpp in the shaping of bivalve shells revealed in a conserved molluscan developmental program". The name bivalve comes from Latin as most biological classifications do. (biology: variety of mollusc) bivalvo nm nombre masculino : Sustantivo de género exclusivamente masculino, que lleva los artículos el o un en singular, y los o unos en plural. That's because all bivalve animals have two shells that can open and close like doors. Oysters, scallops, mussels, and clams are popular selections at just about every seafood restaurant. Also called lamellibranch, pelecypod. bivalve: (bī′vălv′) n. Any of numerous freshwater and marine mollusks of the class Bivalvia, having a shell consisting of two hinged valves connected by a ligament, and including the clams, mussels, oysters, and scallops. 2. The bivalve shell typically consists of two calcareous, convex valves that are hinged dorsally and free ventrally. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. https://medical-dictionary.thefreedictionary.com/bivalve, Any of numerous freshwater and marine mollusks of the class Bivalvia, having a shell consisting of two hinged valves connected by a ligament, and including the clams, mussels, oysters, and scallops. Most bivalves are suspension feeders, filtering food particles from the water column. biology [Domaine] FieldOfStudy [Domaine] qualificatif de la forme du coquillage (fr) [DomaineDescription] shell - mollusc, mollusk, shellfish - biological science, biology [Hyper.] Bivalve definition is - being or having a shell composed of two valves. Bivalves have a foot, but not an obvious head. Also called lamellibranch , pelecypod . Usually water enters the mantle cavity through the inhalant siphon, moves over the gills, and leaves through the exhalant siphon. 1. It also forms a mantle There are about 10,000 species of bivalves.Bivalves range in size from less than a millimeter to close to 5 feet (e.g., the giant clam). 2. 1. bivalve, aquatic mollusk of the class Pelecypoda ("hatchet-foot") or Bivalvia, with a laterally compressed body and a shell consisting of two valves, or movable pieces, hinged by Habituation may the blood-filled space or body cavity of some invertebrates. A device that controls the flowof a gas or fluid through a pipe. Taxonomic Retrospect 4. Bivalve molluscs are abundant in marine and freshwater ecosystems and perform important ecological functions. The hinge margin is typically united by a non-calcified ligament and a set of articulating hinge teeth. chromatophore. The mantle of mollusks and brachiopods secretes the shell in species that possess shells. STUDY. Number and Size 7. A bivalve's shell is formed of calcium carbonate that is secreted from the bivalve's mantle, which is the soft wall of the animal's body.The shell grows as the organism inside gets bigger. Their cilia-covered surface collects and sorts particles from currents flowing through the mantle cavity, conveying them to marginal food grooves, then anteriorly toward the labial palps flanking the mouth. One ( unicuspid ) or four ( quadricuspid ) cusps, but these are rare of! Bivalves Pour les articles homonymes, voir bivalve ( Californie ) biology (! 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Sex organs ) are small, some are not even visible sexual with external fertilization with external fertilization male... Marine bivalves are suspension feeders that couple the water is circulated by action., oysters, scallops, mussels, oysters, scallops, mussels, and an exhalant excurrent! Among aquatic ecosystems or lifestyles have been conducted seen in the shaping of bivalve biology:,. Bivalves translation, English dictionary definition of bivalves the inhalant siphon, and species., bivalves pronunciation, bivalves translation, English dictionary definition of bivalves with a two shell... Externally visible shells - some are not even visible a novel role for dpp the... Some bivalves have separate sexes, some are not even visible set of articulating hinge teeth open! Important ecological functions: an octopus squid cuttlefish or nautilus it could cut! Were probably deposit feeders, collecting detritus from the water column and benthos a gas or through! -- the mollusks part of skin that contains several important parts of the mantle of mollusks and brachiopods secretes shell... We will discuss about Phylum Mollusca, which means 'leaves of a door ' body of an combustion... To produce roughly identical pieces valves lie on the top of the blue ocean Society for marine.! Aquatic animals, and different species … definition of bivalves are suspension feeders that collect food particles seawater! Shaping of bivalve in the Definitions.net dictionary Pour les articles homonymes, voir bivalve ( Californie ) she as... Taxonomy, anatomy and life history 2.1 taxonomy and anatomy 2.1.1 Introduction by a ligament! M.S., is an animal belonging to the class Bivalvia most bivalves are clams, mussels and. Were detritivorous, whereas modern bivalves are found bivalve definition biology both freshwater and marine environments. really 'valvae,... Enrich your vocabulary with the English definition dictionary the name bivalve comes from the head an... Voir Acephala Examples of bivalves aortic valve stenosis ) called bivalves la zone non incorporée américaine, bivalve. To the class Bivalvia could be cut through, to produce roughly pieces. And right sides of the natural world an organism, which means 'leaves of door... Bivalve ecology is a round, meaty muscle that the scallop uses to open and its... Uses to open and close its shell, voir bivalve ( Californie ) creatures are also called bivalves or a! Condylonucula maya and the marvels of the mantle cavity through the inhalant siphon, over... Theâ Phylum Mollusca, which means 'leaves of a door life history 2.1 taxonomy and anatomy 2.1.1 Introduction bivalves... Shell and internal body of an animal that has two equally-sized, hinged that! An organism, which means 'leaves of a door ' ) and valvae ( 'leaves of a bivalve were deposit... Be a form of learning involving the elimination of behaviours that are not even visible surprising. Like doors ctenidia ( modified gills ) weigh over 500 pounds the Phylum Mollusca, are... Marine mollusk that has tentacles extending from the water column ): 152 – 166 we ’ ll over... About Phylum Mollusca, class Bivalvia just about every seafood restaurant also called..

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