What causes the difference in the facial features of people of different races?
Why is there a facial difference in people with different races?
Is the only physical difference between races superficial, like skin color or facial shape? What are the differences in facial features between Caucasians in US and UK? Why does a mixed race (black and white) person have brown skin rather than having just black or white skin? Why do white people have variation in hair and eye color while most other races do not? Is race more than just skin color difference? Are there notable biological differences between people of different races? Skin Color: Is skin colour a factor in distinguishing different races? Why do white people have black, brown, blond and even red hair while other races don't? Why do different people have different coloured eyes? Are there any actual differences between races? How did humans turn into different races of people?  What are the differences between races? Why are East Asians seen as a different race with Whites even though they have a similar skin complexion? What's the difference between the facial features of Chinese men and white men? What's the difference between the facial features of Chinese, Japanese, and Korean people? Why do African-Americans seem to have lighter skin tones than Africans? Why is there such a wide variation in the hair colors of white people? Why do Asians and Caucasians have different eye shapes? How did different races come about? Why do people confuse ethnicity with race? Can we say different races among humans are different species or subspecies of human? Why do some African-Americans have a different accent from Caucasians? Why do East Asians face discrimination in Western countries despite having a skin color similar to whites? If all humans descend from a single original population of ancestors in Africa, then how did humans with different skin colors come about? Why might some people look more attractive if hair does not cover their forehead? What is the difference between race and ethnicity? What is the difference between race and ethnicity? Do people of colour age better than caucasians? What might cause someone to be attracted more to people outside their own ethnicity and race? Is there an evolutionary advantage to facial hair?