Final Review

Question 1

hominid

Answer 1

family group with apes, humans, and ancestors

Question 2

hominin

Answer 2

subfamily with only humans and their direct ancestors

Question 3

Sahelanthropus tchadensis

Answer 3

• 7-6 mya
• chad, 2002 (Central Africa)
• small canines
• no diastema
• reduced prognathism
• bipedal (anterior foramen magnum

Question 4

Orrorin tugenensis (“Millenium Man”)

Answer 4

• 6-5 mya
• kenya, Sendt and Pickford
• open savannah
• bipedal femur
• incisors, canines and premolars chimplime
• thicker molar enamel than humans
• Possibly direct ancestor

Question 5

Ardi

Answer 5

5.8 - 4.4 mya
Ethiopia, Tim White
bipedal (anterior fofamente magnum, femur, pelvis, and tibia)
rigid human like platform foot 
abducted hallux!
long arms and hands 
curved fingers (climbing)
possibly missing link?

Question 6

A. afarensis

Answer 6

4-3 mya
East Africa 
415 cc
cone shaped chest, curved phalanges, prognathic face
anterior foramen magnum
non-opposable hallux
short/broad pelvis 
"Lucy", "Dikiki Child", and "First Family", and Laetoli footprints

Question 7

A. africanus

Answer 7

3 - 2.2 mya 
South Africa
442 cc
reduced prognathism and anterior dentition
anterior foramen magnum 
short/broad pelvis

Question 8

H. habilis

Answer 8

2.5 - 1.7 mya
510 cc
Stone Tools! –> Olduwan