By favoring some alleles over others, natural selection can lead to survival advantages for some organisms. Which of the following is NOT an adaptation as a result of natural selection?
a
A certain snake species has many members of various colors.
b
A moth's wing markings help it blend into the forest habitat.
c
A bird that dives into water to hunt fish has webbed feet.
d
A bird has a certain beak size that allows it to eat seeds of various sizes.