I am spiny, have a water vascular system with tube feet, and am called a brittle star.

I have a round body divided into segments and I breathe through my skin.

I have stinging tentackes. I am a sea anemones.

I have a digestive cavity with one opening, and have stinging tentacles.  I am a hydra.

In what phylum am I? I have no blood and no heart.

Have stinging cells to paralyze

their prey.

Squid and Octopus belong to

flat body

Roundworn

Earthworms

What Phylum am I in?

Describes the front or direction toward the front of the body

Another word for belly side is

Of the following, what structures are the MOST medial?