contradiction between John Locke's idea of basic human rights and Darwin

it is an odd sort of fact that peopleare not aware that there is a basic contradiction between John Locke's idea of basic human rights and Darwin. According to Darwin,there is no such thing. There is no such thing as an immutable species with immutable traits. Rather, species evolve and small differences in the DNA are just begining stages of complete separation between the groups that eventually become completely different species. [THE PROBLEM that i am adressing here is that some unfortunate souls think that they can believe both at the same time and in that way can get points for their profile. They are not aware that these two theseses are in direct opposition.]