Echinoderms Notes Exit Ticket

The phylum Echinodermata includes all of the following except:

• sea star

• clams

• sand dollars

• brittle star

What allows water to enter the water vascular system of a sea star?

• tube feet

• mouth

• ampulla

• madreporite

Sea urchings belongs to the echinoderm Class __?__.

• Crinoidea

• Asteroidea

• Echinoidea

• Ophiuroidea

Adult echinoderms exihibit a modified version of this type of symmetry.

• Asymmetry

• Radial symmetry

• Bilateral symmetry

• Trilateral symmetry

What does the term "echinoderm" mean?

• tube feet

• star shaped

• spiny skin

• stomach foot

What are these?

• mouth

• anus

• madreporite

• tube foot

Name the echinoderm shown in the illustration.

• sea lily

• sea urchin

• sea cucumber

• brittle star

The larval form of echinoderms have this type of symmetry.

• asymmetrical

• bilateral

• radial

• none of the above

Echinoderms have an internal skeleton and a system of fluid-filled tubes called a(n)...

• water vascular system

• nervous system

• notochord

• ampulla

The top side of a sea star is called this.

• aboral surface

• oral surface

• ventral surface

• posterior side