Phylum Mollusca, Arthropoda, and Echinodermata

Nudibranch

• Bivalvia
• Cephalopoda
• Gastropoda
• Polyplacophora

Chitons

• Bivalvia
• Cephalopoda
• Gastropoda
• Polyplacophora

Tags

NGSS.MS-LS4-2

Nautilus

• Bivalvia
• Cephalopoda
• Gastropoda
• Polyplacophora

Tags

NGSS.MS-LS4-2

Scallops

• Bivalvia
• Cephalopoda
• Gastropoda
• Polyplacophora

Cuttlefish

• Bivalvia
• Cephalopoda
• Gastropoda
• Polyplacophora

A rasping, tongue-like organ with backwards facing teeth.

• Radula
• Buccal Cavity
• Ctenidia
• Foot
• Mantle

Material that composes the inner layer of the mollusk shell.

• Nacre
• Buccal Cavity
• Ctenidia
• Foot
• Mantle

Tags

NGSS.MS-LS4-2

Name for the middle layer of a mollusk shell.

• Prismatic
• Buccal Cavity
• Ctenidia
• Foot
• Mantle

Tags

NGSS.MS-LS4-2

Organs that remove metabolic wastes from a mollusk's body.

• Nephridia
• Buccal Cavity
• Ctenidia
• Foot
• Mantle

Mollusks are considered

• monoblastic with one germ layer
• diploblastic with two germs layers
• triploblastic with three germ layers
• quadroblastic with four germ layers