Lec 12 Flashcards
(8 cards)
1
Q
Homo: Generalist or Specialist?
A
- BELIEVED to be SPECIALIST
- Forest, woodland, grasslands
- Data shows low adaptability
2
Q
Oldupai Gorge?
A
- Human species from Oldupai Gorge (2-1mya)
-3 human groups coexisted:
Homo Habilis
Paran. Boisei
Homo Erectus
-Older Outcrops to the West
- in b/t volcanic highlands
3
Q
Proxy 1?
A
- Begins w/ volcanic action, then oceans flip directions
-unstable slopes
-lake transgressions + ingressions
-humans come back
4
Q
Proxy 2?
A
- Excavated dental enamel for data
- species from forest/woodland present
- evidence of moisture + drought
1. Animals that coexisted w/ Homo species meant WARMER climates
2. Lake dried out + soil formation
5
Q
Proxy 3?
A
- Biomass burning found certain chemicals present (c-14,16,18, AKA biomarkers)
- pollen evidence with microcharcoals
6
Q
Proxy 4?
A
- Ferns = pioneer species
– Gnetaceae = desert adapted gymnosperms
7
Q
Proxy 5?
A
High resolution mapping
- wet environment
- in b/t congo basin
maximum error = 1km
8
Q
Were Homo’s tied to one habitat?
A
No.
They actually THRIVED in diverse settings
This adaptability is seen dispersed through Africa
