Echinoderm F&C

What does the term echinoderm mean?

• tube feet
• star shaped
• spiny skin
• stomach foot

This Echinodermata class contains the sea lilies and feather stars

• Cubozoa

• Calcarea

• Holothuroidea

• Crinoidea

These are small, suction-cup like appendages that allow echinoderms to move and respond to their environments. They function thanks to pressure from the water vascular system.

• parapodia

• tube feet

• setae

• flagella

These echinoderms have no arms and a 5-part chewing mouth. Some possess venomous spines

• sea stars

• sea urchins and sand dollars

• sea cucumbers

• sea lilies

Tags

NGSS.MS-LS4-2

The part of the water vascular system where tube feet are attached is called the ____________.

• radial canal

• ring canal

• madreporite

• stone canal

This class contains the sea cucumbers

• Holothuroidea

• Ophiuroidea

• Crinoidea

• Asteroidea

This type of echinoderm have very long and thin arms, and most species are nocturnal and live in groups. They are able to regenerate lost arms.

• sea cucumbers

• brittle stars

• feather stars

• sea lilies

This class of echinoderms contains the brittle stars.

• Crinoidea

• Asteroidea

• Ophiuroidea

• Echinoidea

The part of the water vascular system that filters water prior to entering the ring canal is called the ____________.

• sieve plate

• madreporite

• ampulla

• radial canal

This class of Echinodermata contains the sea stars

• Cnidaria

• Asteroidea

• Gastropoda

• Echinoidea