Textbook: Chapter 2, 4 Flashcards
Explain the Broad Spectrum Revolution in simple terms.
It was a period when humans diversified their diet to include small game and plants.
How did the hypothalamus aid early hominids in hot climates?
It regulated body temperature by stimulating sweat production.
What is one major difference between the Out of Africa Hypothesis and the Multiregional Hypothesis?
Out of Africa suggests a single origin, while Multiregional suggests multiple regions of origin.
Which species is believed to have first mastered the use of fire?
H. erectus
__________ DNA is inherited from the mother and traces human ancestry.
Mitochondrial
The __________ coexisted with early modern humans in Europe.
Neanderthals
The __________ System in East Africa created isolated environments that promoted human evolution.
Rift
The __________ Hypothesis argues that early humans evolved in multiple regions independently.
Multiregional
In the 1980s, scientists Milford Wolpoff and Alan Thorne challenged the Out of Africa Hypothesis, which suggests a single African origin for modern H. sapiens.
What did they propose instead?
They proposed the Multiregional Hypothesis, arguing that modern humans evolved simultaneously in different regions with gene flow between populations.
Fill-in-the-Blank:
The __________ Hypothesis argues that modern humans evolved simultaneously in different regions with __________ between populations helping to maintain genetic similarities.
Multiregional Hypothesis
gene flow