The theory of evolution describes the process of a gradual change in traits in a species over time. Human evolution describes the slow process that led to the rise of anatomically modern humans—who we are today. During this process, traits were altered in order to adapt to environmental situations and needs. The name of our species is Homo sapiens sapiens.
Out of Africa
Evolution posits that our human ancestors moved out of Africa thousands and thousands of years ago. This theory is widely accepted by academics, though there is extensive disagreement regarding the specifics of the theory. For example, anthropologists