Chapter 13: Homo Sapiens and Modern Human Behaviour Flashcards
what are some features of H. sapien anatomy?
- large, round skull
- high forehead
- flat face
- protruding chin
- gracile body
- long limbs
- small face and teeth
where is NOW believed to be the earliest evidence of anatomically modern humans?
Jebel Irhoud, Morocco
what is the approximate time of the earliest evidence of AMH?
~ 315, 000 years ago
what is the epicenter of Africa held together by?
gene flow
what modes are included in the Middle Stone Age?
mode 3-5
what are the two main tools of the Middle Stone Age?
blades and microliths
what is the difference between blades and microliths?
a blade is sharp on both sides but a microlith is flat/round on one side
what were some unique findings of the Middle Stone Age?
- non-local materials suggest long distance travel/trade
- heat treated materials
- decorative carving
- bone tools
who was the first hominin out of Africa?
homo erectus
when was the mass migration out of Africa?
60 000 years ago
what is the human gene tree?
a visual of how all humans relate to one another and to our common ancestors
species genetic diversity is a function of ____ and _____ of a population
age and size
humans have a very _____ level of genetic diversity
low
what is introgression?
when genes from older populations are introduced into a more modern population
who were the first hominins in Australia?
homo sapiens
