Which of the following IS an example of natural selection causing evolution? A. A volcano erupts and the cooling lava turns the white sands black, the local population of mice are now preyed upon easier if they have lighter fur leaving the dark furred mice alive to reproduce more dark furred mice.

B. A giraffe struggles and stretches to reach the leaves on the tallest branches, eventually lengthening its neck. When it reproduces, its offspring has a long neck as well.

C. A man mows his yard once a week, this keeps the normally long grass short over a greater period of time.

D. Dog breeders only allow the smallest dogs in a litter to reproduce eventually creating miniature varieties of the breed.