Key points
Racism can't be explained in terms of evolutionary psychology, as an adaptation.
Evidence suggests that early humans were not territorial and didn't have a strong sense of group identity.
Research shows a link between racism and anxiety, insecurity, and lack of a sense of identity.
The concept of "race" is baseless, since all human beings share a common source,
Sadly, there are signs that racism is increasing across the world. Research from Europe and Australia in recent years has found a rise in the number of people experiencing racism. Reports from the U.S. and U.K. have indicated that most ethnic minority participants felt racism was getting worse. And a global study has found rising incidents of discrimination .
Animosity toward those who appear different