The mice living in an area changed from having brightly colored fur to having darkly colored fur.

How did natural selection most likely result in this evolutionary change?

1 Bright mice were not able to blend into their environment as easily as dark mice, so they did not continue to survive and reproduce.
2 Bright mice produced fewer offspring than dark mice, so the bright mice became outnumbered within days.
3 Random changes in the genetics of bright mice produced more dark mice, so the bright mice quickly died off.
4 Random changes in the genetics of dark mice produced fewer bright mice, so the dark mice took over the population.