The Hypothesis That All Modern Humans Descended from an African

question 48

Multiple Choice

The hypothesis that all modern humans descended from an African lineage

• A) has been conclusively proven to be correct
• B) is supported by mtDNA evidence
• C) is supported by evidence from researchers in India
• D) is conclusively proven as incorrect
• E) is based on archaeological evidence obtained from caves in Spain

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Definitions:

Heckscher-Ohlin Model

An economic theory that proposes countries export what they can most efficiently and abundantly produce.

Comparative Advantage

The ability of an individual, company, or country to produce a good or service at a lower opportunity cost than its competitors.

Ricardian Model

An economic theory that focuses on comparative advantage, explaining how countries can gain from trade by specializing in producing goods at a lower opportunity cost.

Production Possibility Frontiers

These are curves that depict the maximum potential output of a combination of two goods or services that an economy can produce with available resources.