Bivalve definition zoology

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Webbivalve: [adjective] being or having a shell composed of two valves. WebADVERTISEMENTS: The following points highlight the six main classes of phylum mollusca. The classes are: 1. Monoplacophora 2. Amphineura 3. Gastropoda 4. Scaphopoda 5. Pelecypoda or Bivalvia or Lamellibranchiata 6. Cephalopoda. Class # 1. Monoplacophora: 1. The body is bilaterally symmetrical and covered by a mantle. 2. The …

Bivalve Definition & Meaning - Merriam-Webster

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 … Webn, pl -gies. 1. (Zoology) the study of animals, including their classification, structure, physiology, and history. 2. (Zoology) the biological characteristics of a particular animal or animal group. 3. (Zoology) the fauna characteristic of a particular region. 4. camping food ideas healthy

Bivalve definition and meaning Collins English Dictionary

WebPhylum Mollusca is characterised by the pronounced development of musculature known as the foot. It is the locomotory organ in Molluscs. This organ is quite uncommon and strange to others. It is regarded as the remnant of the ‘dermo-muscular tube’ of the ancestral form whose ventral side became greatly developed as an adaptation for creep ... WebMar 27, 2024 · Incurrent and excurrent siphons are the tubular structures that burrowing bivalve molluscs, such as clams, use to feed, respire, reproduce and expel waste into … WebJan 9, 2024 · 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. Not all … camping food ideas for families

Bivalve Definition & Meaning Dictionary.com

WebAug 28, 2024 · The Down and Dirty on a Most Unusual Bivalve. Janet Voight, Associate Curator of Invertebrate Zoology, Negaunee Integrative Research Center. This is the first … WebBivalves synonyms, Bivalves pronunciation, Bivalves translation, English dictionary definition of Bivalves. n. Any of numerous freshwater and marine mollusks of the class … first wok quincy illinoisWebbivalve In zoology, having two shells united by a hinge. bivalve In botany, having two valves, as a seed-case. (n) bivalve plural Folding doors. (n) bivalve In zoology, a … first wok princeton nj

"Web1. 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. " - Bivalve definition zoology

Bivalve definition zoology

Webfilter feeding, in zoology, a form of food procurement in which food particles or small organisms are randomly strained from water. Filter feeding is found primarily among the … Webfunction in bivalve nourishment. In bivalve: Internal features. The paired labial palps in the mantle cavity are used in feeding. The outer palp on each side bears a long, extensible proboscis with a ciliated groove that collects organic material, which is then sorted by the inner pair and outer pair of palps. Certain particles are… Read More

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WebBivalves are distinguished from other molluscs by being having laterally compressed bodies encased in two shells (valves) that are held together by a dorsal hinge ligament (6) that causes the valves to open ventrally. The valves are drawn together by a pair of anterior (2) and posterior (8) adductor muscles, which are the parts of edible ... Webcephalization: [noun] a tendency in the evolution of organisms to concentrate the sensory and neural organs in an anterior head.

Webbivalves. In bivalve: Food and feeding …achieved by folding the platelike gill lamellae into plicae. Each lamella comprises vertical rows of filaments upon the outer head of which are complex arrays of cilia that create a flow of water through the gill, form a filtration barrier, and transport retained particles to food grooves in the dorsal… WebPrimitive bivalves have paired gills that are small; in most other bivalves the gills are greatly enlarged. The vascular system contains the heart comprising a medial ventricle with left and right auricles. The reproductive system is simple. The most significant adaptation is the shell with two valves that wholly contains the animal. The oldest known bivalves …

WebBivalvia ( / baɪˈvælviə / ), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed … WebA proteinaceous, rodlike structure in the digestive tract of a bivalve (mollusca) that rotates against a gastric shield and releases digestive enzymes. ... Definition: a fluid filled cavity …

Webbivalve in British English. 1. Also: pelecypod, lamellibranch. any marine or freshwater mollusc of the class Pelecypoda ( formerly Bivalvia or Lamellibranchia ), having a laterally compressed body, a shell consisting of two hinged valves, and gills for respiration. The group includes clams, cockles, oysters, and mussels. 2.

Weba tube that is extended when a bivalve is underwater. used to eat, get oxygen and excrete waste (two kinds: incurrent, excurrent) Mantle thin membrane inside a bivalve that secretes (creates) the shell camping food dehydrated mealsWebbivalve - WordReference English dictionary, questions, discussion and forums. All Free. WordReference.com Online Language Dictionaries. English Dictionary bivalve ... Zoology having two shells, usually united by a hinge. having two similar parts hinged together. 1670–80; bi-1 + valve; first wok portage indiana menuWebKingdom Animalia animals. Class Bivalvia. Species Calyptogena magnifica. Calyptogena magnifica: information (1) Calyptogena magnifica: pictures (1) Species Chlamydoconcha … first wok restaurant grand rapids miWebMay 8, 2024 · umbo (pl. umbones) A convex protuberance or swelling in the centre. In Brachiopoda and Bivalvia, the first part of the shell to be formed; it occurs at the posterior of each valve in brachiopods and forms the dorsal part of the shell in bivalves. A Dictionary of Zoology MICHAEL ALLABY. camping food storage boxWebAnatomy of a bivalve. Inside the shell. Bivalve molluscs come in many shapes and sizes, and live in many different ways. However, there are features shared by all bivalves. … camping food ideas dinnerWebMay 23, 2024 · Bivalve molluscs belong to the class Bivalvia (or Lamellibranchia) of the phylum Mollusca. Known by such common names as clams, mussels, cockles, oysters, … camping food ideas simpleWebJan 8, 2009 · What is a bivalve? A Bivalve is a molluscan shellfish. Their exoskeleton is comprised of two halves or valves, thus the name "Bivalve". camping food no refrigeration