Flat Worms and Round Worms

This type of flatworm is free-living in freshwater and marine environments.

• Trichinosis

• Planarian

• Schistosomiasis

• Tapeworm

Tags

NGSS.MS-LS2-1

Parasitic worm you can contract from walking on contaminated soil.

• Hookworm

• Tapeworm

• Guinea worm

• Planarian

Tags

NGSS.MS-LS2-4

Flatworms are in the Phylum

• Nematoda

• Platyhelminthes

How does a tapeworm get their nutrition?

• Through the mouth and complex digestive system.
• Absorb from host intestine directly through skin.

What is cephalization?

• Having male and female parts at the posterior end of the body..

• A concentration of sense organs and nervous system at the anterior end of the body.

• Feeding off of another organism either as a parasite or carnivore.

• Exchanging gases through a thin, moist layer of skin.

What structure do planaria use for feeding?

• Cilia
• Scolex
• Proglottids
• Pharynx

What phylum?

• Platyhelminthes

• Nematoda

• Annelida

• Rotifera

Tags

NGSS.MS-LS4-2

Which phylum of worms are pseudoceolomates?

• Platyhelminthes

• Nematoda

• Annelida

• all of them

What type of symmetry do all worms have?

• bilateral

• radial

• asymmetry

• no symettry

What is the definition of a "host"?

• An organism that lives on another organism.

• The organism that a parasite uses to get nutrition.

• The organism that finds food on its own.

• An organism that parasites find easily.