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Bivalves biology definition

WebBivalves usually live on or in sandy or muddy bottoms. True clams, in the strict sense, are bivalves with equal shells closed by two adductor muscles situated at opposite ends of the shell, and with a powerful, muscular, … WebMar 21, 2024 · The mantle is an important part of the body of a mollusk. It forms the outer wall of the mollusk's body. The mantle encloses the mollusk's visceral mass, which is its internal organs, including the heart, …

Bivalve Definition & Meaning - Merriam-Webster

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, … Webbivalve: 1 n marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together Synonyms: lamellibranch , pelecypod Types: show 26 … canada soccer rule of two https://theprologue.org

Bivalve Definition, Characteristics, Species, Classification, …

WebSep 9, 2024 · The word 'bivalve' is made up of two parts, bi meaning two and valves meaning shells. So, bivalves are animals that have two shells. The two shells are joined at one point called the hinge. These ... WebBivalve mollusks (e.g., clams, oysters, mussels, scallops) have an external covering that is a two-part hinged shell that contains a soft-bodied invertebrate. A roughfile clam from the Flower Garden Bank National … Webbivalve (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 … canada soccer team best players

Open Circulatory Systems: Definition & Examples

Category:Bivalvia - Wikipedia

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Bivalves biology definition

Bivalve - Definition, Meaning & Synonyms Vocabulary.com

Webbivalve definition: 1. a type of mollusc, such as an oyster, that has its body inside two connected shells: 2. having…. Learn more. WebApr 9, 2024 · bivalves 3 how do bivalves move 4 why are they called bivalves 5 is their digestive tract complete or incomplete ... the of and to a in that is was he for it with as his on be biology junction dictionary com s list of every word of the clam dissection biology junction questions answer key

Bivalves biology definition

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WebThe siphon is part of the mantle of the mollusc, and the water flow is directed to (or from) the mantle cavity . A single siphon occurs in some gastropods. In those bivalves which have siphons, the siphons are … Webbivalve: (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 …

Webbivalve (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. Also called lamellibranch, pelecypod. adj. 1. Having a shell consisting of two hinged valves. 2. WebBivalve mollusc culture is an important and rapidly expanding sector of world aquaculture production, representing approximately 20% of this output at 14 million tonnes in 2000. …

WebThe name bivalve comes from Latin as most biological classifications do. 'Bi' means two and 'valve' is really 'valvae', which means 'leaves of a door'. 'Bi' means two and 'valve' is … WebThe meaning of BIVALVIA is the Lamellibranchia and Brachiopoda considered as a natural group; sometimes : lamellibranchia.

WebBivalve sperm have two flagellae. Most eggs are small, and synchronized spawning results in the discharge of both types of gametes into the sea for external fertilization. …

Webveliger, larva typical of certain mollusks such as marine snails and bivalves and a few freshwater bivalves. The veliger develops from the trochophore ( q.v.) larva and has large, ciliated lobes ( velum ). The velum forms from … fisher bluetooth speaker fbt550 blinkingWeb1. Definition of Molluscs: Phylum Mollusca is a group of invertebrates which has fascinated man from the dawn of civilization. It is a major group in the animal kingdom as regards the number which occupies next to arthropods. The members of this group have adapted either on land or in water. ADVERTISEMENTS: canada social credit systemWebbi•valve. n. 1. any mollusk, as the oyster or mussel, of the class Bivalvia, having hinged lateral shells, a soft body enclosed by a mantle, sheetlike gills, and often a retractile foot. 2. having two shells, usu. united by a hinge. 3. having two similar parts hinged together. canada social security contributionsWebbivalve: 1 n marine or freshwater mollusks having a soft body with platelike gills enclosed within two shells hinged together Synonyms: lamellibranch , pelecypod Types: show 26 types... hide 26 types... clam burrowing marine mollusk living on sand or mud; the shell closes with viselike firmness cockle common edible, burrowing European bivalve ... fisher bluetooth speaker chargerWebIntroduction What is a Bivalve? Bivalves (class Bivalvia) are a class of mollusks distinguished by their two-valved shell, held together with a tough elastic ligament and controlled by means of the adductor muscles.With over 15,000 species, members of this class are widespread,inhabiting essentially every aquatic environment on the planet, and … fisher bluetooth speaker manualWebbivalve: [adjective] being or having a shell composed of two valves. canada social insurance number searchWebBivalve 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. See more. canada soccer schedule 2021