Some anthropologists, particularly forensic anthropologists, consider race a useful biological category.

Mother Earth's irritants can be broken into three main categories: physical, chemical and biological.

Others argue that this view is restricted to certain fields, while in other fields, race is still seen as a valid biological category.

Gender does not always correspond to biological categories.

Human races are questionable as valid biological categories.

In other words do they assume that biological or cultural categories are unproblematic?

That is, they are seen as falling into specific biological or psychological (for example, 'personality') categories which include features other than the criminal disposition.

Indeed, the very notion of race as biological category seems to be part of a past century, a fact that some artists have been addressing for years.

These stressors are divided into the categories biological, chemical, physical, ergonomic and psychosocial.