Echinoderms

The phylum name Echinodermata means

• Soft Body

• Star Fish

• Spiny Skin

• Hard Plate

The most distinctive evolutionary trait of the echinoderms

• Respiratory System

• Water Vascular System

• Complete Digestive System

• Nervous System

What type of symmetry do the echinoderms exhibit?

• Pentaradial

• Asymmetry

• Bilateral

• Radial

Which class of echinoderms do the sand dollars belong?

• Asteriodea

• Holothuriodea

• Echiniodea

• Criniodea

Tags

NGSS.MS-LS4-2

Appendages of the central disk are referred to as

• Arms

• Rays

• Fingers

• Hands

Starfish store their tube feet in this

• Lateral Canals

• Ring Canals

• Stone Canals

• Ambulacral Grooves

Which is not a part of the water vascular system?

• Tube Feet

• Madreporite

• Panama Canal

• Ring Canal

Which class does the sea cucumber belong

• Echinoidea

• Holothuroidea

• Crinoidea

• Asteroidea

Tags

NGSS.MS-LS4-2

Which class of Echinoderms have suction cups at the end of their tube feet?

• Holothuroidea

• Crinoidea

• Ophiuroidea

• Asteroidea

What must be intact in order for Echinoderms to regenerate?

• Family Structure

• Rays

• Ring Nerve

• Tube Feet