Mollusca Mollusk Diagram. Molluscs have evolved a distinctive and highly successful body plan that features a mantle shell muscular foot and radula. The mollusk visceral mass includes body organs the digestive tract renal and reproductive organs.
Dioecious or monoecious. Kingodom animalia phylum mollusca. Like fish bivalve mollusks breathe through their gills.
The external fold or folds of the soft exterior membrane of the body of a bivalve that secretes the shell and usually forms a cavity enclosing the gills and other organs which produces and enlarges the shell by secreting new shell material at the free edgethe soft body inside of the shell includes a.
The foot is a muscular structure that has many functions in different mollusks including movement attachment and predation. Most specialized and complex mollusks. Mollusks show a variety of morphological variations within the phylum. 6 questions show answers.