Exam 4 Part 2

Question 1

___ degrees of the carrying angle indicates quadriplegic

Answer 1

90

Question 2

What are some foot adaptations for bipedalism?

Answer 2

Humans do not have a foot form but a big toe, arches on feet

Question 3

What is the purpose of having arched feet?

Answer 3

Absorbs shock on feet

Question 4

Where did the earliest hominids live (3)?

Answer 4

East, South, and Central Africa

Question 5

Earliest but controversial hominid found in Chad; believed to live 6-7 million years ago

Answer 5

Sahelanthropus Tchadensis

Question 6

Why is the Sahelanthropus Tchadensis controversial?

Answer 6

The foramen magnum could be considered horizontal or not; not sure if it was bipedal

Question 7

Early hominid characterized by living 1-4 million years ago, most numerous genus

Answer 7

Australopithecines

Question 8

What are the 2 groups of australopithecines

Answer 8

Gracile, robust

Question 9

Lighter skull bones and teeth are more delicate

Answer 9

Gracile

Question 10

Thick skulls, more muscles, and bigger teeth

Answer 10

Robust

Question 11

Early hominid located in East Africa (Laetoli, Hadar, Maka), lived 3.7-2.8 million years ago

Answer 11

Australopithecus afarensis

Question 12

Most famous Australopithecus Afarensis skeleton found

Answer 12

Lucy

Question 13

What is the brain capacity of Australopithecus Afarensis?

Answer 13

375-540 cc

Question 14

What is the brain capacity of a chimpanzee?

Answer 14

350 cc

Question 15

What is the brain capacity of humans?

Answer 15

1400 cc

Question 16

What is the post-orbital closure like for Australopithecus Afarensis?

Answer 16

Strong post-orbital constriction

Question 17

What is the brow ride like for Australopithecus afarensis ?

Answer 17

Modest brow ridge

Question 18

What is the face like for Australopithecus afarensis

Answer 18

Prognathic