What are molluscs?

Mollusks (British Spelling: Molluscs) are large and diverse phyles of invertebrate animals that contain over 110,000 species. Their name their phylum, Mollusca, means "thin shells", although many species lack the shells completely. Molluscs include clams, oysters, shells, shells, snails, octopus, octopus, slugs, nudibranchy, sea hare and several classes of deep worms. Some molluscs - snails and slugs - even adapted to life on the ground. Mollusca is one of the "large nine" animals, along with porifera, Cnidaria, Platyhelminthes, Nematoda, Annelida, Arthropoda, Echinodermata and Chordat.

For thousands of years, molluscs have been one of the favorite sea creatures of humanity next to fish and crustaceans and provided us with meat and decorative shells. Shell Middens, huge pile of shells left by prehistoric nations, differs many coastal zones of the world and provide important evidence of migration samples and the lifestyle of our ancestors. Some middens have been tens of thousands of years.

Mountains include a number of record holders and unusual animals. There is a colossal octopus ( mesonychoteuthis hamiltoni ), the largest of all modern invertebrates, which has at least 14 m (46) feet, vampire octopus ( vampyroteuthis infernalis Of the most beautiful and popular sea animals that exist. Mountains range from less than 1 mm, in the case of some micromolluses to a colossal octopus that is able to kill sperm whales for prey.

Defining the characteristics of molluscs is a muscular leg, especially in the case of snails and a cloak, a protective dorsal wall of the body obscuring the main body from the outside. Between the cloak and the thor body E is the cavity of the sheath, which contains molluscs, rectum and other organs. The tire cavity can be used as a structure of feeding (fog), reSpira chamber (all molluscs), fetal chamber (numerous) or locomotor body (octopus and some clams).