Based on the "Out-Of-Africa" Hypothesis, Which of the Following Is

question 26

Multiple Choice

Based on the "out-of-Africa" hypothesis, which of the following is the most likely reason why species like Neandertals and Homo floresiensis do not exist today?

• A)Modern humans out-competed and replaced other populations as they migrated around the world.
• B)Extensive gene flow between human populations led to a blending of traits that resulted in the evolution of modern humans.
• C)As modern humans developed new and more accurate hunting skills they were able to hunt other "undesirable" populations to extinction.
• D)Climate change in Africa caused the extinction of all human populations except for the ones that gave rise to modern humans.

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Definitions:

Disease X

A placeholder name given by the World Health Organization to represent a hypothetical, unknown pathogen that could cause a future epidemic.

Younger Than 65

A demographic criterion often used in research and healthcare to define a population segment that does not fall into the senior age group, typically below the age of 65.

Crude Death Rate

A measurement of the number of deaths per 1,000 individuals per year in a given population, reflecting overall mortality.

Disease X

A placeholder name used by the World Health Organization to signify the potential for an unknown pathogen to cause a serious international epidemic.