The study of races of man is known as:

Ethnology (C): Ethnology is the study of human races and cultures, that specialize in comparative and analytical elements. It examines the cultural styles and social behaviors of various ethnic businesses. Ethology (A): This is the look at of animal behavior in natural environments. Ecology (B): This is the have a look at of interactions between organisms and their surroundings. Anthropology (D): This is the broader take a look at of humans and their cultures, but no longer particularly focused on races.