Big Question Exam 3 Flashcards
What characteristics define genus homo
By physical and behavioral attributes including large brains, small face and jaw and dependence on material culture
What were the earliest members of the genus Homo?
Homo habilis and homo Erectus
What are the key evolutionary trends and other developments in early homo?
Larger brain, a general gracilization of the chewing complex
What is so modern about modern humans
Sell face, small jaws, small teeth, vertical and high forehead, narrow nasal passage narrow body trunk and long legs
What do Homo sapiens fossils reveal about modern humans origins
Homo sapiens evolved from him Erectus
How has the variation in fossil Homo sapiens been interpreted?
Out of Africa and muliti regional
What other developments took place in Homo sapiens evolution?
Tool technology, diversification of diet and symbolism
When, where and why did agriculture first develop
The Holocene epoch. In eastern Mediterranean. To feed the increasing human population
How did agriculture affect humans living circumstances?
Population increased which led to the spread of disease. Shifted the diet from protein to a diet of carbohydrates
How did agriculture affect humans biological change?
Reduction in quality of foods eaten, decline in health, led to smaller face and jaws
What are the most important forces shaping human biology today?
Global warming, population increase
Are we still evolving?
Yesssss, there is abundant evidence, little can be said about future evolution
What s race a valid biological meaningful concept
Race is neither a useful nor an appropriate biological concept
