In this sense it was less completely materialistic than the ideas of radicals like Grant, but its implication that humans were only the last step in the ascent of animal life incensed many conservative thinkers.
Neste sentido era menos completamente materialista que as ideas de radicais como Grant, pero a súa implicación de que os humanos eran só o último banzo no ascenso da vida animal irritou a moitos pensadores conservadores.