Answer the following statement(s) true (T) or false (F)
1. Blood-type frequencies are often used in human classification because large geographical areas fall into clearly defined categories.
2. The average genetic differences between geographically separated human populations are fewer than the genetic differences within a single population.
3. Studies based on molecular data have concluded that varying populations of humans can be assigned to separate subspecies.
4. The assertion that there are pure races is no longer true today, but was probably true a hundred years ago.
5. IQ tests and other tests of intelligence are influenced by cultural background.
1. FALSE
2. TRUE
3. TRUE
4. FALSE
5. FALSE
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Adaptations are
a. traits that evolved for a purpose other than their present purpose b. genotypic traits that decrease an organism's reproductive success c. traits that evolve according to an organism's will d. phenotypic traits that increase an organism's reproductive success
The precise percentages of ancient features retained within a breeding population are based upon all of the following except:
a. amount of genetic isolation
b. amount of inflow from new genes
c. reproductive capacity of the population
d. development of sophisticated tools
The raw material source of an obsidian artifact can often be determined by the use of __________
A. radiocarbon dating B. trace element analysis C. obsidian hydration analysis D. remote sensing
Chiefs have some power to control economic labor and __________
a. kinship alliances of families under them b. distribution of resources c. religious ideology d. family life