Phylum Mollusca

All animals in Phylum Mollusca have

• Unilateral symmetry

• Radial Symmetry

• Bilateral Symmetry

• Asymmetry

The ventral surface of mollusca have a

• Brain
• Foot
• Leg
• Arm

Which class of Mollusks is the only class with some terrestrial species?

• Gastropods
• Bivalves
• Cephalopods

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

• Mantle
• Trochophore
• Foot
• Visceral Mass

Tags

NGSS.MS-LS4-2

Which class of Mollusks have a closed circulatory system?

• Gastropods
• Bivalves
• Cephalopods
• All of the classes

Which class of Mollusks include clams, oysters, and mussels?

• Gastropods
• Bivalves
• Cephalopods

Tags

NGSS.MS-LS4-2

Which class of Mollusks include squid, cuttlefish and octopus?

• Gastropods
• Bivalves
• Caphalopods

Mollusk's tongue-like strip covered with teeth that point backward is called the ____

• trochopore
• radula
• gills
• visceral mass

Which class of Mollusks have the most advanced nervous system?

• Gastropods
• Bivalves
• Cephalopods

What is the purpose of the visceral mass in mollusks?

• It holds the organs
• It protects the body
• Reproduction
• Locomotion