1. Most chitons are rather sedentary animals, living in one spot and venturing short distances in search of food.

2. Atype of mollusk, the lined chiton has colorful lines on its valves andwhite or yellow spots or bands on its girdle.

3. When left alone, a chiton will lift part of its oval-shaped body to breathe.

4. Now rewind this picture 1,839 years. You are in the same seat, only you are watching classical Greek entertainment and wearing a simple chiton, or tunic.

5. You are in the same seat, only you are watching classical Greek entertainment and wearing a simple chiton, or tunic.

6. For instance, it's still not known why only some chiton species have eyes, or how the creatures are able to use the same material to make both their eyes and their shells.