Sea Star
Brittle Stars
Sea Urchins
Sand Dollars
Sea Cucumbers
200

How a sea star pulls bivalves open.

Are they the tube feet?

200

How a brittle star uses its arms to feed.

Does it use its tube feet?

200

The shape of the Sea Urchins.

Are they circular?

200

The body of a sand dollar.

Are they flattended?

200

They have this type of symmetry.

Are their bodies radial

400

Where the sea star lives.

Is it the subtidal zone/ deepest zone?

400

How a brittle star walks.

Does it contract its arms and crawl rapidly?

400

How most sea urchins eat.

Do they scrape and chew algae on rocks?

400

They eat plankton and organic debris.

What do sand dollars eat?

400

This is how they die.

Do they eviscerate?

600

How a sea star gets around and gets food.

Is it the water vascular system?

600

The number of jaws a brittle star has.

Do they have 5 jaws?

600

What the sea urchins resemble.

Do they resemble a pin cushion?

600

They release eggs and sperm into the water to this.

How do sand dollars reporduce?

600

Where the sea cucumber live.

Do they live on the intertidal and subtidal zone?

800

What every foot of a sea star has.

Is it the ampulla?

800

The one structure brittle stars do NOT use.

Is it the tube feet?

800

The name of the mouth structure of an urchin.

Is it the Aristotle's Lantern

800

They bury themselves to do this.

How do sand dollars protect themselves?

800

These are the parts that come out when they eviscerate.

Is it the gonads, respiratory system. and digestive tract?

1000

The two words to describe the stomach of a sea star.

Is it thin and membranous?

1000

.The regeneration ability of the brittle star.

Is it amazing?

1000

They are used for these types of studies.

Are they used for embyological studies

1000

They move using two specific parts of their body.

Do they use their spines and cillia?

1000

Where the sea cucumbers are a delicacy.

Do they live in the south eastern part of Asia?