Answer:
c) Stabilizing selection
Step-by-step explanation:
Stabilizer selection is a type of natural selection that generates changes in populations over time. This type of selection is responsible for preserving the average characteristics of a population, favoring the reproduction of these individuals.
In infants, it is shown that the optimal weight (the one that gives a greater chance of survival) is a measure that is in a medium-range, neither extremely high nor extremely low.