Discussions about the evolution of humans require understanding of many terms, dry line from each term to its proper description
BIPEDAL
HAMININ
Common ancestor
Primate
BIPEDAL - Walking on two feet
HAMININ - A species of the Hominidae family that includes modern humans and their ancestors
Common ancestor - A species from which two or more different species evolved
Primate - A group of mammals that includes monkeys, apes, and humans