Gastropods & Bivalves

What type of circulatory system do gastropods and bivalves have?

• Open
• Closed

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

• Tentacles
• Radula
• Mantle
• Filter feeder

Feeding style of bivalves:

• Filter feeders

• Detritivores

• Parasites

• Carnivores

Tags

NGSS.MS-LS2-3

Which part of the Mollusc body contains organs?

• Foot
• Visceral Mass
• Trochophore
• Mantle

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

• Mantle
• Trochophore
• Foot
• Visceral Mass

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

• longitudinal
• retractors
• circular
• adductor & abductor

Where are chemoreceptors of terrestrial snails and slugs?

• foot

• mantle

• shorter stalks on head

• longer stalks on head

Structure A is the

• foot

• mantle

• adductor muscle

• gills

Tags

NGSS.MS-LS1-3

NGSS.MS-LS4-2

Structure J is the

• foot

• mantle

• adductor muscle

• gills

Tags

NGSS.MS-LS4-2

Structures C (both sides of animal) are the

• siphons

• hearts

• adductor muscles

• gills