Chapter 24: Human Origins/Evolution Flashcards
1
Q
Lucy
A
first truly bipedal hominin
2
Q
Phylogenetic analysis of mitochondrial DNA and the Y chromosome shows that our species arose, where?
A
Africa
3
Q
During the ________ years since the most recent common ancestor of humans and chimpanzees, our lineage acquired a number of distinctive features
A
5-7 million
4
Q
What are some modern human features?
A
bipedal, large brains, neoteny
5
Q
Neoteny
A
retention of juvenile characteristics in the adult stage
6
Q
Adult humans share many characteristics with…
A
young apes
7
Q
Human _____ impacted distribution of genetic variation
A
migratory routes
8
Q
Ardi
A
bipedal on land; quadrupedal in trees