The ability of an organism to live so that it can survive to reproduce is called
a. evolution.
b. fitness.
c. mutation.
d. variation.

Fitness is the answer.
Evolution is the process of a species changing.
Mutation is also a species changing.
Variation is the differences between animals of the same species.

The ability of n organism to live so that it can survive to reproduce is called?

B) Fitness 

             Good luck! :)

False. records show otherwise