Sea Star Dissection

Echinoderms have the ability to regenerate body parts.

• False
• True

You will find the mouth, tube feet, and ambulacral groove on the aboral side of the starfish.

• True
• False

What system in their body helps them catch and hold their food?

• Madreporite
• Tube Feet
• Radial Canal
• Ambulacral Groove

What structures is designated by the number 2?

• Eye spots

• Madreporite

• Spines

• Anus

What structures is designated by the number 7?

• Gonads

• Pyloric Caeca

• Aboral stomach

• Radial Canals

Which side of the sea star is the top side?

• aboral surface
• oral surface

What is #14 pointing to?

• ampullae

• tube feet

• radial canal

• pyloric cecae

Which of the following lists structures would function in the skeletal system of a Sea Star?

• Ampulla,

• Madreporite

• Tube Foot

• Ossicle

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

• Rays

• Arms

• Tentacles

• Feet

Which phylum do sea stars belong to?

• Annelids

• Echinoderms

• Fish

• Mollusks