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 … 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.
bivalve - WordReference.com Dictionary of English
WebMay 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, … 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 … church of christ leadership training
bivalve Etymology, origin and meaning of bivalve by etymonline
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. 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 … 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 … church of christ leadership