Which of the following is considered to be the first major development in hominin evolution?
A) increased brain capacity
B) tool making
C) bipedalism
D) sexual dimorphism

Question

Quizplus · Accepted Answer

Bipedalism is considered to be the first major development in hominin evolution as it allowed for the hominins to walk on two legs, freeing up their hands to carry tools and food. This also allowed for the development of the modern human skeletal structure, including an upright posture and larger brain. While increased brain capacity, tool making, and sexual dimorphism are important developments in hominin evolution, they came later in the evolutionary timeline.

Which of the Following Is Considered to Be the First