Question: Which of the following individuals have the highest fitness? Need Assignment Help? An individual that lives to be 2 years old and has 2 offspring, all of which survive to reproduce themselves. An individual that lives to be 1.5 years old and has 5 offspring, 4 of which survive to reproduce themselves. An individual that lives to be 3 years old and has 5 offspring, 2 of which survive to reproduce themselves. An individual that lives to be 3 years old and has 6 offspring, 3 of which survive to reproduce themselves.