Chapter 24: Human Origins/Evolution

Question 1

Lucy

Answer 1

first truly bipedal hominin

Question 2

Phylogenetic analysis of mitochondrial DNA and the Y chromosome shows that our species arose, where?

Answer 2

Africa

Question 3

During the ________ years since the most recent common ancestor of humans and chimpanzees, our lineage acquired a number of distinctive features

Answer 3

5-7 million

Question 4

What are some modern human features?

Answer 4

bipedal, large brains, neoteny

Question 5

Neoteny

Answer 5

retention of juvenile characteristics in the adult stage

Question 6

Adult humans share many characteristics with…

Answer 6

young apes

Question 7

Human _____ impacted distribution of genetic variation

Answer 7

migratory routes

Question 8

Ardi

Answer 8

bipedal on land; quadrupedal in trees