Midterm 1: Homin Origins and Upper paleolithic Flashcards
Hominin
members of human lineage after split with chimpanzee lineage
What is a human culturally and physically
complex thought and symbolism
large brains and bipedalism
What do the hominin fossils show
larger rounder brain case
shrinking jaw
bipedalism
Where was hominin origins
Africa
Sahelanthropus tchadensis
7mya Chad
Mix of ape like and human
Long arms and bipedalism
Ardipithicus Ramidus
SITE: ARAMIS, ETHIOPIA
4.5 may
Human features: small molars foramen magnum forward
Hominin Radiation
4.5mya- 2mya
increase in hominin species
bipedalism, small canines, and large cranium than ape
Australopithicus
Lucy: Hadar, ethiopia….60% complete….fully bipedal
Laetoli…..side by side footprints
Homo Habilis
more gracile
2.5-1.6mya
East and South Africa
oldest member of genus homo
Homo Erectus
(Out of Africa)
1.9 mya - 45,000ya
Time period for Lower Paleolithic
2.5mya- 200,000
How are tools made?
Flint-Knapping
What is flint-knapping?
You got your CORE : which is the material being struck
Then your FLAKE which is the material being struck by the core
The method is called PERCUSSION
What is the earliest tool type? And what year?
Oldowan tools 2.5 mya
Acheulian Tools
1.7mya -200,000
Bifacial hand axes
Homo erectus