Refers to having a generalized (and biased) belief about a particular group of people.

Stereotype refers to a generalized and biased belief about a particular group of people. In psychology specifically the social psychology, it is thought about the behavior of specific kinds of individual tend to represent the whole group usually in the negative category. These belief may or may not represent what is the reality.

Magnesium! this is found if caves usually

Ibelieve the correct answer is  stratum  lucidum.