Echinoderms

Front

What are the spines on an echinoderm made of?

Back

The spines are part of the endoskeleton.

Front

What is the water vascular system in echinoderms?

Back

A network of water-filled canals with thousands of tubes connected to it.

Front

What do sea urchins primarily feed on?

Back

Sea urchins use their mouth structure to feed on algae.

Front

What structure is responsible for moving water in and out of the water vascular system?

Back

The madreporite.

Front

What are the bony plates that make up the internal skeletal system of a starfish called?

Back

Ossicles.

Front

What is the function of tube feet in echinoderms?

Back

Tube feet are used for movement and feeding.

Front

What is the role of the ampullae in the water vascular system?

Back

Ampullae help control the movement of water into the tube feet.

Front

How do echinoderms regenerate lost body parts?

Back

Echinoderms can regenerate lost body parts through a process of cellular differentiation and growth.

Front

What is the significance of the madreporite in echinoderms?

Back

The madreporite regulates the water pressure in the water vascular system.

Front

What type of symmetry do adult echinoderms exhibit?

Back

Adult echinoderms exhibit radial symmetry.