Worm Phyla Review

Flatworms are unsegmented, bilaterial worms that lack a coelom.  Animals that lack a coelom are called ___________________.

• acoelomates
• coelomates
• noelomates
• innoelomates

All of the following body systems can be found in a segmented worm EXCEPT the _______.

• Circulatory
• Digestive
• Reproductive
• Skeletal

Tags

NGSS.MS-LS4-2

The majority of flatworms are parasitic.

• True
• False

What type of body symmetry do the phylums Platyhelminthes and Annelida have in common?

• radial
• assymmetrical
• bilaterial
• vermiform

What class / subclass of Annelida do earthworms belong to?

• Oligochaeta

• Polychaeta

• Hirudinea

Which of the following phyla was the first to exhibit body segmentation?

• Annelida
• Arthropoda
• Cnidara
• Echindermata

What class / subclass of phylum Annelida do segmented marine worms belong to?

• Oligochaeta

• Polychaeta

• Hirudinea

Tags

NGSS.MS-LS4-2

What class /subclass of phylum Annelida do leeches belong to?

• Oligochaeta

• Polychaeta

• Hirudinea

Tags

NGSS.MS-LS4-2

Label C points to which structure of the earthworm that is involved with the formation of a cocoon or egg capsule?

• ovary

• septum

• clitellum

• gizzard

The small segments behind a scolex that reproduce quickly, making a tapeworm longer and longer are called...

• Cilia
• Hooks
• Proglottids
• Snaps

Tags

NGSS.MS-LS3-2