Echinoderms

A characteristic of an echinoderm would be..

• It's a vertabrate
• Only one cell layer
• Vascular system
• Slow regeneration

Which is an example of an Asteroidea member?

• sea star
• sea cucumber
• sea urchin 
• sand dollar 

Which is an example of a Holothuroidea member? 

• sea star
• sea cucumber
• sand dollar
• sea urchin 

Which is an example of an Echinoidea member? 

• sea star
• sand dollar
• sea cucumber
• sea lilies 

Which is an example of a crinoid? (lily-like)

• brittle star
• sear star
• sea lily
• sea cucumber

Which side of the sea star is the top side?

• oral surface
• aboral surface

What are the 5 class names for Echinoderms?

• Star brittle, sea urchins, sea horse, sea cucumber, starfish
• Starfish, sea urchin, star brittle, sea cucumber, feather star
• Fish, sea brittle, sea urchin, sea horse, sea cucumber, starfish
• None of the above

What does the term echinoderm mean?

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

What type of symmetry do adult echinoderms exhibit?

• Asymmetry
• Pentaradial symmetry
• Bilateral symmetry
• Trilateral symmetry

A seastar can hold tightly to the surface it is touching because of the _____

• sieve
• endoskeleton
• tube feet
• eye spots