How a sea star pulls bivalves open.
Are they the tube feet?
How a brittle star uses its arms to feed.
Does it use its tube feet?
The shape of the Sea Urchins.
Are they circular?
The body of a sand dollar.
Are they flattended?
They have this type of symmetry.
Are their bodies radial
Where the sea star lives.
Is it the subtidal zone/ deepest zone?
How a brittle star walks.
Does it contract its arms and crawl rapidly?
How most sea urchins eat.
Do they scrape and chew algae on rocks?
They eat plankton and organic debris.
What do sand dollars eat?
This is how they die.
Do they eviscerate?
How a sea star gets around and gets food.
Is it the water vascular system?
The number of jaws a brittle star has.
Do they have 5 jaws?
What the sea urchins resemble.
Do they resemble a pin cushion?
They release eggs and sperm into the water to this.
How do sand dollars reporduce?
Where the sea cucumber live.
Do they live on the intertidal and subtidal zone?
What every foot of a sea star has.
Is it the ampulla?
The one structure brittle stars do NOT use.
Is it the tube feet?
The name of the mouth structure of an urchin.
Is it the Aristotle's Lantern
They bury themselves to do this.
How do sand dollars protect themselves?
These are the parts that come out when they eviscerate.
Is it the gonads, respiratory system. and digestive tract?
The two words to describe the stomach of a sea star.
Is it thin and membranous?
.The regeneration ability of the brittle star.
Is it amazing?
They are used for these types of studies.
Are they used for embyological studies
They move using two specific parts of their body.
Do they use their spines and cillia?
Where the sea cucumbers are a delicacy.
Do they live in the south eastern part of Asia?