Cultural diversity best illustrates our

A) human temperaments.
B) genetic variations.
C) gender identities.
D) adaptive capacities.

Cultural diversity refers to the differences in beliefs, customs, values, behaviors, and artifacts that characterize different groups or societies. This diversity can be seen as an expression of a group's adaptive capacity to their environment and historical challenges, rather than genetic variations, human temperaments or gender identities. Therefore, the best choice is D - adaptive capacities.