Published sources used are referenced. Cultures change constantly. Different members of a society internalize and express different parts of their culture. At the institutional level, it can be viewed as those systems of care that acknowledge the importance of culture, assess cross-cultural relations, are alert to cultural differences and their repercussions and adapt services to meet cultural needs.
Ethnicity is the active expression of culture.
An ethnic group is a large group in which members self-identify. They internalize and share a heritage of, and commitment to, unique social characteristics, cultural symbols, and behavior patterns that are not fully understood or shared by outsiders. In social science, it is used to identify a group that suffers subordination and discrimination within a society, usually because of their race, ethnicity or national origin. Although the term is now considered by many anthropologists to be obsolete because of difficulty classifying populations with widespread genetic diversity, it continues to be widely used. The term is used in official government documents, such as in the U.S. Census, in which individuals identify their own racial identity.