Assignment Help – Human Morphological Variation
1. Imagine you’re with some friends talking about variation and how many races there are. One person says that there are three and another thinks that there are five. Would you agree with either one? Why or why not?
4. Why can we say that variations in human skin color are the result of natural selection in different environments? Why can we say that less-pigmented skin is a result of conflicting selective factors?
5. We know that infectious disease has played an important role in human evolution. Do you think it still plays a role in human adaptation today?
6. How have human cultural practices influenced the patterns of infectious disease seen today?