On a separate sheet of paper, answer the following qestions. 1. This question may be completed independently or as a group discussion. Various cultures designate racial cate- gories differently, and they often base these cateeories on very different traits. For example, some cultures use nose shape as one of the defining traits for a racial group. Other cultures do not use nose shape in defining ra- cial groups, but use hair color instead. What do differences in racial classification such as these suggest about the universality of race and racial groupings? 2. This question may be completed independently or as a group discussion. Review Figure 8.2. Note that skin col- ors are a little lighter in equatorial parts of the Americas than they are in.equatorial Africa. Why might this be the case?