Genus Homo Test - 2/10 Flashcards
(14 cards)
Characteristics of A. boisei?
Hyperrobust {(most robust) - this is b/c of big faces needed for chewing due to climate which was dry}
Specialized vegetative diet
Robust facial, cranial, & dental features
Cranium 490 cm3 (cranial vault/capacity)
2.4-1.0 mya
Characteristics of H. habilis?
Habilis - (able man, able to make tools)
More gracile, small stature, 4ft
Cranium 6-700 cm3
1.9-1.8 mya
Characteristics of H. erectus (aka H. ergaster)?
much taller, almost 6 ft
Cranium 900 cm3
More carnivorous diet, varied tools
1.8-300,000 yrs ago
What were the two reasons that led to punctuated equilibrium?
Switch toward hunting
Increase in tool making & culture (different tools for different things)
*better diet, more efficient, healthier=change
What changes occurred to H. erectus?
Increase in stature, stride, & brain size
Thinner pelts
Less chewing (b/c of tools), loss of sagittal crest
Smaller molars & jaws (tools)
Larger incisors yet smaller canines
*thickening of skull & increased eyebrow ridge
What are the 3 reasons of the importance of fire?
Heat/warmth
Protection
Cooking (kills parasites, becomes more tender)
What is another name for Oldawan tools & where were they found?
Pebble tools
Found in Olduvai Gorge in Tanzania
Relating to Oldawan tools, what is the core?
Stone from which flakes were removed
Relating to Oldawan tools, what were flakes?
Sharp fragments, used as cutters
Relating to Oldawan tools, what were choppers?
Core that has been worked at one side
What 2 tools were used for digging tubers & grubs?
Scapula blades
Horns & antlers
What is the number one reason H. erectus left Africa?
Hunting
What does Paleolithic tools translate into?
“Old stone”
What are the three distinct hominim groups?
A. boisei (P. boisei), H. habilis, H. erectus
