Quiz - Phylum Mollusca (MOD)

Name (First & Last)

Block (1st, 2nd, 3rd or 4th)

• 1st
• 2nd
• 3rd
• 4th

Mollusks display what type of body symmetry?

• Bilateral
• Asymmetry
• Radial

In regards to their body structure, mollusks are considered to be...

• Monoblastic with only one germ layer
• Diploblastic with two germ layers
• Triploblastic with three germ layers

Which of the following is NOT a part of the mollusk's 3-part body plan?

• Head
• Foot
• Radula
• Visceral Mass

T / F : All mollusks have a mantle

• True
• False

What does the phylum name "Mollusca" mean?

• Spiny skin
• Soft body
• Jointed legs

T / F : All mollusks live in the ocean

• True
• False

Which of the following describes the functions of the mantle?

• Used for locomotion and prey capture
• Protects internal organs and secretes the shell
• Drills into shells and scrapes food

Which of the following terms best describes the nervous system of most mollusks?

• Nerve net
• Nerve ring, radial nerves and nerve net
• Ganglia with nerve cords