Which of the following organisms has tube feet and a water vascular system?

Slide 2: Which of the following would be the best title for this slide?

Slide 4: Match each term to the area indicated on the image.

Which of the following invertebrates uses book lungs for gas exchange

Which of the following is classified as a Pancrustacean

How do starfish digest bivalves?

How do starfish move?

Slide 10: What would be the best title for this slide?

Slide 11: Match each term with the correct region of the image

Slide 14: Which of the three regions indicated on the image are part of the water vascular system?