They Can Do What?
Got Jokes?
The Name Game
Who Am I?
Time to Eat
100

This creature can regenerate from only one ray and one part of their central disk. 

What is a sea star?

100

How is a sea cucumber like a person who talks too much?

They like to spill their guts!

100

What is the name of the type of feet all echinoderms have?

What are "tube" feet?

100

I have no eyes and no brain. I have tube feet. Who am I?

An echinoderm!

100

This is a sea star's favorite food. 

What is a bivalve?

200

This echinoderm usually sleeps by curling up into a tight ball. 

What is a basket star?

200

What do you need if you want to buy an expensive sand castle?

Lots of sand dollars.

200

This is the name of the kind of symmetry most echinoderms share. 

What is "radial" symmetry?

200

I look like a pincushion. Who am I?

A sea urchin!

200

Many varieties of this creature eat sand. Yum?

What is the sea cucumber?

300

This echinoderm's stomach can change shape to fit into small crevices. 

What is a sea star?

300

These pokey creatures can truly tell one another, "Hey, you're looking sharp!"

What is a sea urchin?

300

This is a proper name for the shell left behind by a dead sea urchin or sand dollar. 

What is a test?

300

I can be small as your fingernail or several feet long. I am shaped like a sausage. Who am I?

A sea cucumber!

300

Sea otters love to chow down on these echinoderms. 

What are sea urchins?

400

One variety of this creature has long spines that, when touched by a human, can insert into skin and snap off before releasing painful venom. 

What is a sea urchin?

400

How did the starfish and the sea urchin pay for their lunch?

With a sand dollar!

400

A sea urchin's five special teeth are arranged in a system. What is it called?

What is Aristotle's lantern?

400

I can drop an arm to escape from a predator. Who am I?

A brittle star!

400

Sand dollars eat using tiny hairs to move food along what part of their bodies?

What are food grooves?

500

This creature can use its internal organs into a weapon, gluing a predator's gills or throat shut.

What is a sea cucumber?

500

What do you call a talented and famous fish?

A starfish. 

500

Echinoderms get their name from the Greek words "echino" and "derma". What do these two words mean?

What are "spiny" and "skin"?

500

I look like a plant, but I can move about. What am I?

A crinoid!

500

This creature eats with its feet, using them to pass food along its pinnules to its mouth. 

What is a crinoid?