This file-like ribbon of "teeth" is used by molluscs to scrape algae and other food off of rocks and can even drill through the shells of prey.

This is the outer fold of skin on molluscs, and is responsible for excreting the substance that forms the mollusc's shell.

The shell of a mollusc is made out of what compound?

The Latin term for stomach-foot is ____.

How do bivalves eat?

These molluscs have a head and a modified foot that are now arms or tentacles.

What class of molluscs does the nautilus belong to?