Among hunter-gatherers, the dominant form of exchange is
a. market exchange.
b. redistribution.
c. balanced reciprocity.
d. generalized reciprocity.
ANSWER:
d
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A trait in its heterozygote condition affords protection against a disease such as a malaria is called a
A) genetic load B) balanced polymorphism C) immunity D) hybridization E) point mutation
The first true primates are dated to the Oligocene epoch
Indicate whether the statement is true or false
The "unit factors" mentioned in Mendel's postulates correspond with which biological unit?
a. alleles b. cells c. entire DNA strands d. chromosomes
Through the use of new, refined dating techniques, fossil teeth found in England and Italy indicate that modern humans reached Europe by 45,000 years ago. Currently, these fossils are the oldest dated modern human specimens in Europe. The new dates
A. allow more time for anatomically modern humans to have been in contact with Neandertals. B. confirm that Neandertals taught modern humans how to make stone tools. C. suggest modern humans followed Neandertal migration routes. D. call into question the dates of modern human specimens from Romania. E. suggest anatomically modern humans planned for the extinction of the Neandertal.