Question

Body plan of phylum mollusca

Answer 1

Explanation:

• All molluscs are characterized by having three main body regions: a head-foot, which is the sensory and locomotor part of the body; a visceral mass, containing most of the organ systems; and a mantle, which covers the visceral mass and secretes the shell, if one is present.

Answer 2

Explanation:

All mollusca characterized by three main bods region, a head _ foot ,which is the sensory and locomotor par t of the body ;a visceral mass , etc if one present.