Bivalve definition zoology

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Webcephalization: [noun] a tendency in the evolution of organisms to concentrate the sensory and neural organs in an anterior head. WebJan 26, 2001 · Bivalves also possess two ctenida (in most cases) and a muscular foot. The edges of the mantle are fused in some taxa and prolonged to form tube-like siphons . …

Zoology 2: Swimming Creatures, Lesson 9 & 10 Mollusks: Bivalves ...

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… WebDec 30, 2011 · IQRA MUSHTAQ. Sophomore Anthropology/Biology double major at Loyola University. REU Mentors: Dr. Rüdiger Bieler (Curator, Zoology, Invertebrates) and Dr. Sid Staubach (Postdoctoral Fellow, Zoology, Invertebrates) Symposium Presentation Title: Evolution of the Labial Palps and Gills within the Palaeoheterodonta (Mollusca: Bivalvia). … how to stop being redirected to bing

What is a bivalve mollusk? - National Ocean Service

WebApr 28, 2024 · Bilateral Symmetry Definition. Bilateral symmetry refers to organisms with body shapes that are mirror images along a midline called the sagittal plane. The internal organs, however, are not necessarily … WebAnatomy 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. … 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 … reaction moody blues

ADW: Bivalvia: INFORMATION - Animal Diversity Web

Bivalve Definition & Meaning Dictionary.com

WebBivalvia ( / baɪˈvælviə / ), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed … 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. reaction neil youngWebbivalve, (class Bivalvia), any of more than 15,000 species of clams, oysters, mussels, scallops, and other members of the phylum Mollusca characterized by a shell that is divided from front to back into left and right valves. The valves are connected to one another at a … reaction notation

"WebJan 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". " - Bivalve definition zoology

Bivalve definition zoology

Bivalve Definition, Characteristics, Species ... - Britannica

Webbivalve 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 … WebBivalves synonyms, Bivalves pronunciation, Bivalves translation, English dictionary definition of Bivalves. n. Any of numerous freshwater and marine mollusks of the class …

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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 … 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 …

WebBivalvia ( / baɪˈvælviə / ), in previous centuries referred to as the Lamellibranchiata and Pelecypoda, is a class of marine and freshwater molluscs that have laterally compressed bodies enclosed by a shell … WebJul 12, 2024 · Borut Furlan/Getty Images. Sea stars have clear tube feet that extend from ambulacral grooves in the sea star's oral (bottom) surface. The sea star moves using hydraulic pressure combined with adhesion. It sucks in water to fill up the tube feet, which extends them. To retract the tube feet, it uses muscles.

WebMay 23, 2024 · oyster. oys·ter / ˈoistər / • n. 1. any of a number of bivalve mollusks with rough irregular shells. Several kinds are eaten (esp. raw) as a delicacy and may be farmed for food or pearls, in particular: ∎ a true oyster (family Ostreidae), including the edible American oyster (Crassostrea virginica ). ∎ a similar bivalve of another ... 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.

Webbivalve in American English. (ˈbaɪˌvælv ) noun. 1. any of a class (Bivalvia) of mollusks, including mussels and clams, having a shell consisting of two valves hinged together. adjective. 2. having a shell of two valves hinged together. : also ˈbiˌvalved.

Weblabial palp 1. In some Mollusca, one of a pair of flap-like folds at the end of each tentacle by which food is transported to the mouth. 2. One of the pair of jointed, sensory structures carried on the labium of the mouth of an insect. They articulate with the part of the labium known as the prementum. A Dictionary of Zoology. reaction of 2-propanol with tcicaWeba 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 reaction of 3-hexyne with 2 moles of hbrWebPrimitive 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 … reaction monty python and the life of brianWeba 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 … reaction of 1-butanol to 1-bromobutaneWebMay 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, … reaction of 6g of aWebbivalve - WordReference English dictionary, questions, discussion and forums. All Free. WordReference.com Online Language Dictionaries. English Dictionary bivalve ... how to stop being sad and depressedWebKingdom Animalia animals. Class Bivalvia. Species Calyptogena magnifica. Calyptogena magnifica: information (1) Calyptogena magnifica: pictures (1) Species Chlamydoconcha orcutti. Species. Species Corbicula fluminea. how to stop being rude to people