The correct answer would be - mushroom, and new mutations.
Explanation:
John hawks is an physical anthropologist who is professor of anthropology at Wisconsin-Madison. He and his other colleagues has done work on the bones and genome of early hominids.
According to the John hawks and other anthropologist colleagues believes that the evolution is increase relatively with the population increase continuously. In this process the new mutations are introduced.
Thus, the correct answer is - mushroom, and new mutation.
Physical anthropologist John Hawks and colleagues suggest that evolution is speeding up as population sizes are being continued to mushroom and new mutations which are endorsed. Human population increased rapidly. The increase began those days of upper Paleolithic which is documented by archaeological evidence.
