What was the first major step in human evolution that began to separate us from Apes/Chimps that was discussed in chapter 2?

Biology

1. What was the first major step in human evolution that began to separate us from Apes/Chimps that was discussed in chapter 2?

2. Research some advantages and disadvantages to this biomechanics change. Cite 1-2 sources

3. Who is the superior athlete? Humans or animals? Cite one physiological reason why one is superior. This can be from the book or from your own research!

4. What is 1 thing you learned in chapter 2 that you thought was really cool?