A more complete definition of fitness is the ability to survive and produce offspring who can also survive and reproduce. Below are descriptions of four male lions.
Name George Dwayne Spot Tyrone
Age at death 13 years 16 years 12 years 10 years
# cubs fathered 19 25 20 20
#cubs surviving to adulthood 15 14 14 19
Size 10 feet 8.5 feet 9 feet 9 feet
(Adapted from Michigan State University, Occasional Paper No. 91, Evolution by Natural Selection: A Teaching Module by Beth Bishop and Charles Anderson, 1986)

According to this definition of fitness, which lion would biologists consider the "fittest"? Explain why