Sea Star

What part is the entrance to the water vascular system?

• Stone Canal

• Ring Canal

• Sieve Plate

• Radial Canal

What is the name for the parts that extend off the central portion of the sea star?

• Rays

• Arms

• Tentacles

• Feet

What is the main hub of the nervous system?

• Ring Canal

• Radial Canal

• Nerve Ring

• Radial Nerve

Which is not a function of the tube feet?

• Reproduction

• Breathing

• Waste Elimination

• Movement

Which phylum do sea stars belong to?

• Annelids

• Echinoderms

• Fish

• Mollusks

What type of symmetry do sea stars have?

• Bilateral

• Asymmetry

• Radial

• None of these

What does "echinoderm" mean?

• Sea Star

• Sharp Skin

• Spiny Skin

• Invertebrate

How many stomachs do sea stars have?

• 1

• 2

• 3

• 4