The Largest division in the geological time scale is the Precambrian Era.It lasted from around 4.6 billion years ago to 570 million years ago.
To become a Plastic Surgeon, one must complete a residency program in General Surgery. Dr. Jon Trevisani completed his General Surgery Residency Program at University of Kansas Medical Center in Kansas City, Kansas. The General Surgery Residency Program is 5 years which he becomes a General Surgeon. To enter the field of Plastic Surgery requires special training in called a Fellowship Training and/or advanced training Plastic and Reconstructive Surgery Residency Program which is 2 years.
Residents generally spend between three and eight years training in their specialty. Those planning to be pediatric surgeons usually spend approximately five years in a general surgical residency and an additional two years in a fellowship specializing in children's surgery.tep 6: Become Board Certified. Once he or she has met licensure and experience requirements, a surgeon can apply for voluntary board certification through the American Board of Surgery (ABS).