Question

Write the common names of the following : 1. Antedon 2. Holothuria 3. Echinus 4. Asterias b.) Name the phylum to which they belong. c.) Name the system they use for moving around.

Answer 1

1)feather star
2)sea cucumber
3)sea Urchin
4)common starfish
b.they belong to Echinodermata
c.Echinoderms have many tube feet on each of their "arms" and with the combination of the water vascular system, it makes up the movement of echinoderms.

Answer 2

Answer:

1. feather star 2. sea cucumber 3. Sea urchin

4. Common sea star

b.) Phylum Echinodermata

c.) they use their tube feet and water vascular system for moving around.