Marine Science Unit 6 Review

What phylum do flatworms belong to?

• Annelida

• Platyhelminthes

• Nematoda

• Mollusca

Flatworms have what kind of body cavity?

• Acoelomate

• Pseudocoelomate

• Coelomate

Flatworms do not have gills or lungs and rely of diffusion through the skin to breathe.

• True

• False

The structure that acts as a kidney in a flatworm is called the:

• pharynx

• ganglia

• flame cell

• colloblast

In flatworms, the muscular tube near the mouth that aids in getting food is called the:

• pharynx

• gastrovascular cavity

• flame cell

• transverse nerve cord

The planarian flatworm has a complete digestive tract with a distinctive mouth and anus.

• True

• False

Flat worms can reproduce 

• sexually 
• asexually
• both sexually and asexually

Tags

NGSS.MS-LS3-2

What type of symmetry do flatworms have?

• radial
• bilateral
• no symmetry
• cephalization

Class Cestoda includes which animals?

• earthworms

• flukes

• tapeworms

• planarians

Flatworms are known for being:

• filter feeders

• suspension feeders

• the first hunters

• herbivores