This feature of renewability can become very important to your family should you become sick or uninsurable before the end of your initial term life insurance period of coverage.
Also, term life usually offers protection for a "term" of 10, 15, 20, 25 or 30 years - you choose the term of coverage when buying your plan.
The longer your "term", the higher your cost of the life insurance coverage.
Learn about level term life insurance and how it works