<span>Looking at the two species' DNA would be a good place to start. If there are a number of similarities in their genotypes, then there would be a good chance that the two would also share some type of a common ancestor. This would be evidence that there was some type of selection that took place that necessitated two different species that shared a number of traits and features.</span>
You can tell by similar genetic features, eye colour, hair type and colour
<span>Increased use of surrounding land is not a negative consequence of upward urban growth. </span>
