Phylum Mollusca

What does Cephalopoda mean?

• "2-shells"

• "head-foot"

• "stomach-foot"

• "hatchet-foot"

• "Soft body"

Which part of the Mollusk body is specialized for burrowing, feeding, and movement?

• trochophores
• visceral mass
• mantle
• foot

Avery, Mason, and Benjamin went on a field trip to a nature reserve. They were given a task to identify a class of Mollusca that has some terrestrial species. Which class should they look for?

• Gastropoda

• Bivalvia

• Cephalopoda

• Pelecypoda

During a marine biology class, Zoe, Lily, and Aiden were discussing the circulatory systems of different classes of Mollusca. They were trying to figure out which class has a closed circulatory system. Can you help them?

• Gastropoda

• Bivalvia

• Cephalopoda

• Pelecypoda

Which group of cephalopods has ability to flatten body to fit in small spaces and tubes, and also can change its skin to blend with surroundings?

• Cuttlefish
• Nautilus
• Squid
• Octopuses

Tags

NGSS.MS-LS4-4

When they need to escape a predator or a dangerous situation, cephalopods move by

• using jet propulsion
• waving their tentacles back and forth.
• crawling along on a single muscular foot.
• clapping their shells together.

What is the radula used for?

• Locomotion
• Feeding
• Swimming
• Digging

The protective membrane that surrounds the visceral mass on all mollusks is called the...

• Radula
• Mantle
• Nephridia
• Visceral Shield 

Which class of Mollusca includes squid, cuttlefish, nautilus, and octopus?

• Gastropoda

• Bivalvia

• Cephalopoda

• Pelecypoda

Tags

NGSS.MS-LS4-2

Identify the class.

• Bivalvia

• Gastropoda

• Cephalopoda

• Pelecypoda

Tags

NGSS.MS-LS4-2