WebK.M. Halanych, in Encyclopedia of Evolutionary Biology, 2016 Introduction. Lophotrochozoa is a monophyletic group of animals that includes annelids, molluscs, bryozoans, brachiopods, platyhelminthes, and other animals that descended from the common ancestor of these organisms. Lophotrochozoa is one of the three major clades … WebAnnelida. The annelids, are a large phylum of animals comprising the segmented worms, with about 15,000 modern species including the well-known earthworms and leeches. They are found in most wet environments, and include many terrestrial, freshwater, and especially marine species (such as the polychaetes), as well as some which are parasitic or ...

Clam mollusk Britannica

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. ADVERTISEMENTS: Webbi•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. fishing direct store

BIVALVE English meaning - Cambridge Dictionary

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 Webbivalve: [adjective] being or having a shell composed of two valves. WebSep 7, 2024 · They are typically bivalves, or organisms with two shells that are hinged together. Examples include clams and oysters. However, not all molluscs have an open circulatory system. Two major... can being cold affect pregnancy