Answer:
Im pretty sure its E sorry if its wrong.
The pattern that takes place in the ecosystem regarding the flow of
energy is from a higher energy state t a lower energy state. It follows the
second law of thermodynamics, the entropy in which all things go into the
chaotic state from a higher form into lower form.
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.