EVERYDAY SCIENCE

Detailed explanation-1: -bivalve, (class Bivalvia), any of more than 15, 000 species of clams, oysters, mussels, scallops, and other members of the phylum Mollusca characterized by a shell that is divided from front to back into left and right valves.

Detailed explanation-2: -The class of molluscs called Bivalvia (from Latin root words bi-meaning two and-valv meaning folding door) includes clams, oysters, mussels, and scallops. Bivalves produce two shells that are hinged at the top (Fig. 3.49 B). The mantle of snails (gastropods) produces a single shell in a spiral shape (Fig.

Detailed explanation-3: -Bivalve mollusks (e.g., clams, oysters, mussels, scallops) have an external covering that is a two-part hinged shell that contains a soft-bodied invertebrate.

Detailed explanation-4: -Clams, mussels, oysters, and scallops are members to the class Bivalvia (or Pelecypodia). Bivalves have two shells, connected by a flexible ligament, which encase and shield the soft vulnerable parts of the creature.

Detailed explanation-5: -The phylum Mollusca includes a wide variety of animals including the gastropods (“stomach foot”), the cephalopods (“head foot”), and the scaphopods (“boat foot”).