Light-colored coats were selected for on light-colored sand
Mice, gophers and owls
One factor that can affect the populations in an ecosystem is that, if an ecosystem had owls with no predators, the owl population would increase and eat all the mice in the ecosystems. The population of the mice would decrease more and more.
Food
Different mice have different alleles
disruptive selection
The plural of mouse is mice
The mice have different alleles or something
Mice are different so talk to your vet.
Gerbils and mice are two different animals.
This really depends on the size of the individual weasel and the proportion of the diet that is mice. It can be anywhere from 50 to more than 300! They do regulate the populations of mice in some habitats so it would be a sizable proportion of the number of mice that are born.
There are 57 different countries having major Muslim populations.
A population is a group of one type of species. A community is several different populations together.