The Sun's life span is 10 billion years. Oldest living creature on earth, bacteria that was revived after being dormant for 250 million years. Giant Tortoises live 177 years, Fruit Flies live 37 days. Protozoans - Animals that split from a single parent. Do they have live spans? The oldest Human - 122 years old. (Jeanne Louise Calment, 1875 - 1997) Odds of living over 100 - 1 in 10,000 One fly, after 1 year/7 generations, will have spawned 5.6 trillion flies