The difference between race and ethnicity is that race is a group of people who share __________, and ethnicity is a group of people who share __________.

Race is commonly understood as a grouping based on physical characteristics, such as skin color or other visible traits. Ethnicity refers to shared cultural characteristics, such as language, traditions, or heritage. Therefore, the correct choice is “physical characteristics . . . cultural characteristics.”

AI-written and checked against the verified answer.