Biophysically constrained or unconstrained?
Unconstrained cranial evolution in Neandertals and modern humans compared to common chimpanzees Excerpt: “…cranial differentiation in common chimpanzees has been restricted by stabilizing natural selection.” See for comparison: Mutation-Driven Evolution Excerpt: “…genomic conservation and constraint-breaking mutation is the ultimate source of all biological innovations and the enormous amount of biodiversity in this world.” See also … Biophysically constrained or unconstrained?