Flat, Round, Annelid, Mollusk and Echino Test Review

These organisms have an incomplete gut and no circulatory system.

• Flatworms

• Roundworms

• Annelids

• Mollusks

Flatworms must be "flat" so they can move oxygen to all cells via diffusion

• True

• False

Tags

NGSS.HS-LS2-3

Which of the following is NOT a type of flatworm

• Annelid

• Tapeworm

• Planarian

• Fluke

Flatworms can cause a serious disease schistosomiasis.

• True

• False

Which type of flatworm is free-living and not parasitic.

• Fluke

• Planarian

• Tapeworm

• None of these

Roundworms display what type of body symmetry?

• Bilateral

• Radial

• Asymmetry

• None of these.

What type of an animal is a Nematode?

• Flatworm

• Roundworm

• Segmented Worm

• Mollusk

Roundworms have a body cavity area, but it contains no organs. What is that space called?

• Fake Cavity

• Coelum

• Protostome

• Pseudocoelum

Which of the following is not a type of roundworm?

• Hookworm

• Tapeworm

• Guinea Worm

• Pinworm

The outer covering of a roundworm is

• segmented

• a cuticle

• very flat

• ossicles