Bivalves and Gastropods

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

How do Bivalves eat?

• Filter feeders

• Radula

• Tentacles

• Beak

Tags

NGSS.MS-LS2-3

Which part of the Mollusk body is the tissue covering the body and secretes the shell?

• Mantle
• Trochophore
• Foot
• Visceral Mass

What type of gastropod is pictured? 

• tulip snail
• cowry snail
• abalone
• nudibranch

What muscle is used by bivalves to close their shells tightly to keep predators out?

• longitudinal
• retractors
• circular
• adductor

Structure A is the

• foot

• mantle

• adductor muscle

• gills

Structure J is the

• foot

• mantle

• adductor muscle

• gills