characteristics of phylum mollusca

Features of Mollusca..

Phylum Mollusca - Free living aquatic forms (freshwater or marine), some amphibious. Body is soft and unsegmented enclosed in a glandular mantle covered by usually a shell. Coelom is reduced to a pericardial cavity around the heart. Digestive system is complete. Respiratory orga..

Aquatic in habitat but some land forms are also seen. Body is soft and divided into three regions (head, dorsal visceral mass and ventral foot..

Free living aquatic forms (freshwater or marine), some amphibious. Body is soft and unsegmented enclosed in a glandular mantle covered by usually a shel..

Features of Hemichordata..

Phylum Chordata is characterized by three unique features, at least during the early stages of their developmen..

Phylum Chordata - This phylum is characterized by three unique features, at least during the early stages of their development. A rod like structure called notochord lying above the digestive tract. A tubular nerve cord lying above the notochord. A pair of gill slits in the phar..

Have characteristics of both invertebrate and chordat..

Phylum Chordata - Phylum Chordata is characterized by three unique features, at least during the early stages of their development. A rod-like structure called notochord lying above the digestive tract A tubular nerve cord lying above the notochord A pair of gill slits in the ph..