Mollusca or molluscs or mollusks refer to the large and varied phylum Mollusca. They include a diversity of familiar animals that are well known for their use as seafood or for their decorative shells. They include snails, octopus, clams, etc. Out of all these, octopus is the most intelligent invertebrate. They comprise of about 120,000 species among the phylum. They are triploblastic protostomes.
The most important body cavity is a blood-packed hemocoel. Their body is mostly divided into the following parts a head along with the eyes or tentacles, a visceral mass which shells the organs and a muscular foot. They also have a fold of the exterior skin lining the shell which is called the mantle. Hey use their muscular foot for motion. All class of the phylum Mollusca encompass an entire digestive tract that commences from the mouth to the anus.
The most important body cavity is a blood-packed hemocoel. Their body is mostly divided into the following parts a head along with the eyes or tentacles, a visceral mass which shells the organs and a muscular foot. They also have a fold of the exterior skin lining the shell which is called the mantle. Hey use their muscular foot for motion. All class of the phylum Mollusca encompass an entire digestive tract that commences from the mouth to the anus.
