Answer:
surface-level diversity
Explanation:
Surface-level diversity is also known as bio-demographic diversity or social category diversity. It includes the observable individual differences which can be referred to the readily detectable attributes such as age, sex, ethnicity or marital status.
It is defined as characteristics which distinguish people and which can be noticed.
Thus, having 40 percent of workforce of the company as African Americans (ethnicity) and having more than half of the senior management positions held by the women (sex) are examples of surface-level diversity.