Quiz on Organisms and Echinoderms

Which of the following organisms belongs to the phylum Porifera?

• Jellyfish

• Sea cucumber

• Sponge

• Earthworm

Cnidarians are terrestrial invertebrates.

• True

• False

Starfish, brittle stars, and sea cucumbers are examples of Echinoderms.

• Fact

• Bluff

Which of the following is a characteristic feature of echinoderms?

• Soft body

• Radial symmetry

• Segmented body

• Hard outer shell

True or False: Porifera are known for their ability to move actively in water.

• True

• False