Here is a worksheet on the Greek word root bio. It means, simply, life.
There is no need to belabor the productivity of this root–it forms the basis of a lot of basic words in English: biography, biology, and biodegradable, to name just three.
If you find typos in this document, I would appreciate a notification. And, as always, if you find this material useful in your practice, I would be grateful to hear what you think of it. I seek your peer review.