Mollusk: Mollusk, any soft-bodied invertebrate of the phylum Mollusca, usually wholly Figure 1: Organizational levels and body diagrams of the eight classes of. Mollusk: Mollusk, any soft-bodied invertebrate of the phylum Mollusca, usually wholly Figure 1: Organizational levels and body diagrams of the eight classes of.
Mollusca is the second largest phylum of invertebrate animals. The members are known as ..
of the Lophotrochozoa are the annelid worms and seven marine phyla. The diagram on the right summarizes a phylogeny presented in Mollusca is one of the most diverse groups of animals on the planet, with at least 50, living species (and more likely around ,). It includes such.
Phylum Mollusca is the predominant phylum in marine environments. It is estimated that 23 percent of all known marine species are mollusks; there are over.The Phylum Mollusca Etymology: From the Latin Molluscus meaning soft of body.
Characteristics of Mollusca: 1)Bilaterally symmetrical. 2)Body has more than two cell layers, tissues and organs. 3)Body without cavity.
4)Body possesses a through gut with mouth and anus. Mollusca is a taxonomic phylum that contains a diverse array of organisms (referred to as “mollusks”), and the taxonomic classes that include snails, sea slugs, octopuses, squid, and bivalves such as clams, mussels, and oysters. From 50, to , species are estimated to belong to this phylum.
General Characteristics of Phylum Mollusca: 1. Habitat: They are mostly marine.
Many, however, occur in fresh water and some even in damp soil. Phylum Mollusca: Characters and Classification (With Diagram) | Animals.
Article Shared by. Neopilina is a “connecting link” . Anatomical diagram of a hypothetical ancestral mollusc The evolution of the molluscs is the way in which the Mollusca, one of the largest groups of invertebrate animals, evolved.
Bivalve Anatomy (freshwater mussel)
This phylum includes gastropods, bivalves, scaphopods, cephalopods, and several other groups. Phylum Mollusca – Mollusks – includes snails, slugs, clams, scallops, oysters, cuttlefish, squid, octopus Widespread and abundant in marine, freshwater and terrestrial habitats Surpassed by only arthropods in terms of success on land Includes some of the largest invertebrates: giant squid, and giant clam Economically important as human foods.Phylum Mollusca | Middle School Science at Synergy SchoolPhylum Mollusca: Characters and Classification (With Diagram) | Animals