Which of the following is/are thought to be in part responsible for the evolutionary success of humans?
A) Humans possess strong opposable thumbs.
B) Humans walk upright.
C) Humans have complex brains, walk upright and have opposable thumbs
D) Humans walk upright and have opposable thumbs
E) Humans walk upright, have opposable thumbs, complex brains and can use tools

Question

Quizplus · Accepted Answer

While all of the options given may have contributed to the evolutionary success of humans to some degree, the combination of walking upright, having opposable thumbs, complex brains and the ability to use tools is likely the most significant factor. This allowed humans to develop advanced technologies, cooperate and communicate effectively, and adapt to a wide range of environments.

Which of the Following Is/are Thought to Be in Part