“Common descent”, “natural selection”, and “speciation through reproductive separation” are distinct elements of evolutionary theory. The idea of common descent is a lot older than the idea that effectively all biodiversity stems from variable survival and reproduction, and the formation of isolated gene pools.
“Common descent”, “natural selection”, and “speciation through reproductive separation” are distinct elements of evolutionary theory. The idea of common descent is a lot older than the idea that effectively all biodiversity stems from variable survival and reproduction, and the formation of isolated gene pools.