the mutation rate the ability of offspring to reproduce the amount of food an organism obtains the ability to withstand environmental extremes
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which factor most accurately describes the statement "Survival of the fittest" in relation to natural selection?
Possibilities:
- the mutation rate
- the ability of offspring to reproduce
- the amount of food an organism obtains
- the ability to withstand environmental extremes

the ability of offspring to reproduce