Author Question: In 1971, in an attempt to classify on the basis of the impact that evolutionary forces may have had ... (Read 68 times)

segrsyd · **on:** Aug 11, 2018

In 1971, in an attempt to classify on the basis of the impact that evolutionary forces may have had on geographically isolated human populations, Stanley Garn divided modern humans into __________.

A. three races based on latitude and longitude
B. geographical races, local races, and micro-races
C. six races that corresponded to the six continents
D. ten units based on similarity and differences in both their nuclear and mitochondrial DNA

Question 2

The example of Love Canal illustrates which of the following?

A. the effect of diet on disease resistance
B. a trend toward genetic uniformity in urban populations
C. the effects of immigration on gene flow
D. the impact of dumping toxic waste on human health