"It remains an open question to what extent natural selection is enough to types. Few can doubt he is, if not the overarching reason, at least an extremely important factor in this work... According to the testimony of paleontology, the evolution of many existing forms of life from their predecessors is no longer a hypothesis, but historical fact; and now it may still be subject to dispute only the nature of the physiological factors that this evolution owes its existence."
"It remains an open question to what extent natural selection is
ReplyDeleteenough to types. Few can doubt
he is, if not the overarching reason, at least
an extremely important factor in this work... According to the testimony of
paleontology, the evolution of many existing forms of life from their
predecessors is no longer a hypothesis, but historical fact; and
now it may still be subject to dispute only the nature of the physiological
factors that this evolution owes its existence."