Of course, you protect yourself as your worm ancestors always did, burying yourself in the sand, building a strong tube for shelter. Then you go cheerfully up to find your next tasty mouthful of debris.
Sometimes, though, a worm discovers a strategy that makes things a lot more interesting. This little genius, for example. (I think he's planning to become a conductor of an orchestra.)
(As usual, YouTube embedding doesn't seem to handle the sound properly, at least for the first day. Now I find that I have to click the "Full Screen" button to start it. I can come back to here immediately afterwards, and it's fine.
And get rid of the ad; it hides a couple of captions.)