Which of the following statements about human evolution is correct?
A) Modern humans are the only human species to have evolved on Earth.
B) Human ancestors were virtually identical to extant chimpanzees.
C) Human evolution has occurred within an unbranched lineage.
D) The upright posture and enlarged brain of hominins evolved separately.

Question

Quizplus · Accepted Answer

The evolution of hominins, the group that includes modern humans and our ancestors, is characterized by two significant traits: upright posture and an enlarged brain. These traits did not evolve simultaneously but rather at different stages of human evolution, indicating a complex, branching evolutionary pathway rather than a linear progression.

Which of the Following Statements About Human Evolution Is Correct