Gastropods and Bivalves

What type of symmetry do Molluscs have?

• Asymmetrical
• Bilateral
• Radial

What type of circulatory system do most Molluscs have?

• Open
• Closed

What is the meaning of Gastropod?

• Soft-bodied
• Stomach foot
• Head-footed
• Two-shelled

What structure has teeth and is used by gastropods to eat?

• Tentacles
• Radula
• Mantle
• Filter feeder

Tags

NGSS.MS-LS4-2

Which group of Molluscs does the picture belong to?

• Gastropod
• Bivalve
• Cephalopod

What Mollusc group does the snail belong to?

• Gastropod
• Bivalve
• Cephalopod

How do Bivalves eat?

• Filter feeders
• Radula
• Tentacles

Which part of the Mollusc body contains organs?

• Foot
• Visceral Mass
• Trochophore
• Mantle

Which class of Molluscs include clams, scallops, and mussels?

• Gastropods
• Bivalves
• Cephalopods

The oldest and thickest part of the bivalve shell is called the

• periostracum
• operculum
• umbo
• valve