Mollusk Test Review

Identify these shells

• Coquina clam

• Cockle clam

• Ark clam

• Scallop

Answer explanation

The cockle can be distinguished from arks by the hinge “teeth” on the inside near the hinge

Identify this shell

• Oyster

• Cockle clam

• Ark clam

• Scallop

Identify this shell

• Oyster

• Cockle clam

• Ark clam

• Scallop

Identify this shell

• Oyster

• Cockle clam

• Ark clam

• Scallop

Answer explanation

Ark shells can be distinguished from cockle shells by the tiny grooves in a line along the hinge

The gastropods, cephalopods, and bivalves all belong to which phylum?

• Cnidaria

• Arthropoda

• Mollusca

• Porifera

This means "stomach-footed"

• bivalvia

• cephalopoda

• ventralpoda

• gastropoda

This means "soft-bodied"

• bivalvia

• cephalopoda

• mollusca

• gastropoda

This means "two valves"

• bivalvia

• cephalopoda

• mollusca

• gastropoda

This means "head foot"

• bivalvia

• cephalopoda

• mollusca

• gastropoda

Examples of these include clams, oysters, mussels, and scallops

• bivalvia

• cephalopoda

• arthropoda

• gastropoda