Short answer in a paragraph per question

Short answer in a paragraph per question. At least 400 words in total. Discuss the origin of the Neandertals in terms of biological adaptation and other forces of evolution. Discuss which anatomical traits are used to contrast modern humans’ physical appearance with that of similar hominids. Which are derived and which are ancestral? Are these traits biological adaptations, as in the case of Neandertals? Discuss the two models of modern human origins—Out-of-Africa and Multiregional Continuity. Briefly describe their main tenets and discuss how the more recent assimilation model differs from each.