Worms and Mollusks

Which is a similarity between worms and mollusks?

• Some have gills

• They are invertebrates

• Land dwelling organisms must stay moist to survive

• All of the above

Which phyla of worms have an incomplete gut?

• Platyhelminthes

• Nematoda

• Annelida

• Gastropoda

The classes Turbellaria, Tremetoda, and Cestoda belong to which phylum?

• Annelida

• Mollusca

• Platyhelminthes

• Nematoda

Tags

NGSS.MS-LS4-2

Which phylum of worms displays segmentation?

• Platyhelminthes

• Nematoda

• Annelida

• Gastropoda

Which class of mollusks are mostly sessile?

• Cephalopoda

• Bivalvia

• Gatropoda

• Nematoda

Tags

NGSS.MS-LS4-2

Which class of mollusks has a name that means "head-foot"

• Cephalopoda

• Bivalvia

• Gastropoda

• Annelida

What is the simplest animal with bilateral symmetry?

• Roundworm

• Segmented worm

• Flatworm

• Slug

The classes Bivalvia, Cephalopoda, and Gastropoda belong to which phylum?

• Annelida

• Mollusca

• Platyhelminthes

• Nematoda

Tags

NGSS.MS-LS4-2

What do Annelids and Nematodes have in common that Platyhelminthes do not.

• They display segmentation

• They are parasitic

• Bilateral symmetry

• They have a complete gut

Tags

NGSS.MS-LS4-2

Which is the only phylum of worm to have any kind of circulatory system?

• Platyhelminthes

• Nematoda

• Annelida

Tags

NGSS.MS-LS4-2