The concept of race sorted racial groups into a different classification based on properties which related to physical, psychological, social and moral characteristics. For physical features, regardless of which human groups could be divided into skin colour, hair type and eyelid shape. (Biddiss, 1979, p. 174). These attributes also contribute racial diversity, and arbitrary characteristics construct a multicultural society. According to Nelson and Fleras, "the-the concept of race as a social construction—that is, a hypothetical construct, without any basis in biology or scientific validity" (Nelson & Fleras, 2005, p.