PROBLEM SET 7

PROBLEM SET 7 - Cory Baker Section 448 Perm 3851763...

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Cory Baker 11-17-09 Section 448 Perm#: 3851763 Anthropology 005 Introduction to Physical Anthropology Problem Set # 7: The origin of Homo sapiens and its races. 1. Races are geographic subspecies. A. How much variation do you expect to see within, as compared to between different races of a single species? Humans are a remarkably diverse species, exhibiting a high degree of phenotypic variation. B. What pattern of within- and between-race variation do we observe in common chimps? Common chimps are so much alike in looks, only after their individual behaviors were observed carefully was it realized that they were very different. So here is a case where "skin deep" differences were minimal, but behaviorally the two species were very different. Also, note that with regards to the classification of species, the fact that the two could mate and have viable offspring was ignored as the criterion that defines different species; so much for having a clear definition of a species. C. What pattern of within- and between-race variation do we observe in modern humans? Between group variation is often maintained through different selective environments associated with different regions. Characteristics that may be beneficial in a cold-weather environment may prove to be cumbersome and inefficient in hot climates, and vice versa. Also, variation may be a by-
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This note was uploaded on 03/07/2011 for the course ANTHRO 5 taught by Professor Gaulin during the Spring '09 term at UCSB.

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PROBLEM SET 7 - Cory Baker Section 448 Perm 3851763...

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