Discrimination - The actual actions toward others. Does NOT have to be negative. Stereotypes - Preconceptions of persons, situations and things that are dominant over our perceptions of them. They have little basis in reality. Social constructions of reality.
Races exist as distinct biological categories.
Races differ innately in mental ability. Races differ innately in character traits. Because of biological differences prejudice is natural. The race relations cycle 1. Some other minority groups 1.