Which of the following examples likely occurred through natural selection?
in a litter of puppies, some puppies have brown fur while others have black fur.
giraffes have longer necks than their ancestors.
some humans have hair on the middle part of their fingers, while others do not.
there are several colors of roses, such as red, white, pink, and yellow.

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."

i believe it is c: genes for body color and wing size are inherited separately from each parent.