The phylum mollusca
The name mollusca (from the latin mollis soft), was first used by the great french zoologist cuvier in 1798 to refer to cephalopods like squids and cuttlefish it was later extended to include other organisms of this group, such as snails and bivalves. Mollusca is the second largest invertebrate phylum after the arthropods some 93,000 extant species have been described, but the thinking is this number represents only about half of the living species. Mollusca is one of the most diverse groups of animals on the planet, with at least 50,000 living species (and more likely around 200,000) it includes such familiar organisms as snails, octopuses, squid, clams, scallops, oysters, and chitons mollusca also includes some lesser known groups like the . Phylum mollusca, known as mollusks, are a group of invertebrate animals that include slugs, snails, mussels, octopus, bivalves, gastropods, etc this. No doubt you would know that all molluscs come under the phylum mollusca they are the second largest group of living organisms and are represented by a humongous number of species, more than a 100,000.
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 75,000 . The phylum mollusca is the second-largest animal phylum, with over 100,000 species the molluscs include many familiar animals, including clams, snails, slugs, and . Mollusca is the second largest phylum of invertebrate animals the members are known as molluscs or mollusks (/ .
The phylum mollusca is characterized more by diversity than uniformity, though modern molluscs do all tend to share certain features, including the presence of a radula (a tonguelike ribbon of teeth), the structure of the nervous system and the presence of the mantle, which contains the animal's . Cephalopod: cephalopod, any member of the class cephalopoda of the phylum mollusca, a small group of highly advanced and organized, exclusively marine animals the octopus, squid, cuttlefish, and chambered nautilus are familiar representatives. Molluscs synonyms, molluscs pronunciation, molluscs translation, english dictionary definition of molluscs n variant of mollusk or n any invertebrate of the phylum mollusca, having a soft unsegmented body and often a shell, secreted by a fold of skin . Mollusca is one of the most diverse groups of animals on the planet, with at least 50,000 living species (and more likely around 200,000) it includes such familiar organisms as snails, octopuses, squid, clams, scallops, oysters, and chitons.
An introduction to the biology, classification and ecology of octopuses, slugs, snails and squid the phylum mollusca. Related wordssynonymslegend: switch to new thesaurus noun 1 phylum mollusca - gastropods bivalves cephalopods chitons mollusca animal kingdom, animalia, kingdom animalia - taxonomic kingdom comprising all living or extinct animals mollusc, mollusk, shellfish - invertebrate having a soft unsegmented body usually enclosed in a shell class scaphopoda, scaphopoda - small class of bilaterally . Study question chapter 9 study nudibranchs belong to the class ____ of the phylum mollusca gastrapoda the ____ have cerata on their surface for gas exchange.
Definition of phylum mollusca in the audioenglishorg dictionary meaning of phylum mollusca what does phylum mollusca mean proper usage of the word phylum mollusca. Learn about the animal phylum mollusca and its most important body systems mollusca includes a wide range of common invertebrate species that can. Mollusca: a great phylum by number of species and by variety of body forms largely aquatic hugely important fossil record from the lower cambrian a major food source for mankind, second only to fish. Phylum 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.
The phylum mollusca
Advertisements: in this article we will discuss about the general characters and classification of phylum mollusca general characteristics of phylum mollusca: 1. The phylum mollusca molluscs have made their way to almost every ecosystem, from the most arid deserts to the deepest ocean trenches in the sea, they are one of the most important groups of invertebrates, accounting for roughly one-quarter of the species. The class gastropoda (in phylum mollusca) includes the groups pertaining to snails and slugs the majority of gastropods have a single, usually spirally, coiled shell into which the body can be withdrawn.
Phylum mollusca: 1 class aplacophora 2 class polyplacophora 3 class monoplacophora 4 class gastropoda (prosobanchia, opisthobranchia, pulmonata) 5 class bivalvia . This video goes over the characteristics of the phylum mollusca third party content- ted talks this video is used for educational purposes and therefore is e.
Mollusca (məlŭs`kə), taxonomic name for the one of the largest phyla of invertebrate animals (arthropoda is the largest) comprising more than 50,000 living mollusk species and about 35,000 fossil species dating back to the cambrian period. Phylum mollusca reproduction reproduction of molluscs takes place by means of external fertilization, through which eggs are produced there is a lot of variation in the types of larvae that emerge from eggs. Animal phyla: mollusca, arthropoda phylum mollusca: the molluscs the phylum mollusca is a diverse collection of animals that contains snails and slugs, bivalves, octopus, squid, and the chambered nautilus.