Answer:
c. Stereotypes
Explanation:
Ethnicity refers to a group of people that has a tradition and have common characteristics like the same language, history or culture.
Diversity refers to differences among people that can be related to things like race, gender, religion and age, among others.
Stereotypes refer to mistaken ideas people have about a certain group.
Distinctions are about thinking that someone is different and the person is treated like that.
According to this, Simplified and inaccurate beliefs about groups of people are called stereotypes.