Question

A population of mice lives in a city. the largest mice tend to be killed by predators and the smallest mice cannot compete for food. what type of selection is this

Answer 1

There are many types of natural selection like direct selection, disruptive selection and stabilizing selection.
The situation given is that a population of mice lives in a city. The largest mice tend to be killed by predators and the smallest mice cannot compete for food.
The type of selection here is stabilizing selection. It is a type of natural selection in which there is decrease in genetic diversity as the population stabilizes.