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  2. Human sacrifice in pre-Columbian cultures - Wikipedia

    en.wikipedia.org/wiki/Human_sacrifice_in_pre...

    Qhapaq hucha was the Inca practice of human sacrifice, mainly using children. The Incas performed child sacrifices during or after important events, such as the death of the Sapa Inca (emperor) or during a famine. Children were selected as sacrificial victims as they were considered to be the purest of beings.

  3. High-altitude adaptation in humans - Wikipedia

    en.wikipedia.org/wiki/High-altitude_adaptation...

    High-altitude adaptation in humans is an instance of evolutionary modification in certain human populations, including those of Tibet in Asia, the Andes of the Americas, and Ethiopia in Africa, who have acquired the ability to survive at altitudes above 2,500 meters (8,200 ft). [1] This adaptation means irreversible, long-term physiological ...

  4. Heredity - Wikipedia

    en.wikipedia.org/wiki/Heredity

    Genetics. Heredity, also called inheritance or biological inheritance, is the passing on of traits from parents to their offspring; either through asexual reproduction or sexual reproduction, the offspring cells or organisms acquire the genetic information of their parents.

  5. History of smallpox - Wikipedia

    en.wikipedia.org/wiki/History_of_smallpox

    Tacna, Peru: Tacna hosted the combined armies of Peru and Bolivia before being defeated by Chile in the Battle of Tacna. Before it fell to Chileans in late May 1880 infectious diseases were widespread in the city with 461 deaths of smallpox in the 1879–1880 period, making up 11.3% of all registered deaths for the city in the same period. [45 ...

  6. Dual inheritance theory - Wikipedia

    en.wikipedia.org/wiki/Dual_inheritance_theory

    Dual inheritance theory (DIT), also known as gene–culture coevolution or biocultural evolution, [1] was developed in the 1960s through early 1980s to explain how human behavior is a product of two different and interacting evolutionary processes: genetic evolution and cultural evolution. Genes and culture continually interact in a feedback ...

  7. Pre-Columbian Peru - Wikipedia

    en.wikipedia.org/wiki/Pre-Columbian_Peru

    Pre-Columbian Peru. Peruvian territory was inhabited 14,000 years ago by hunters and gatherers. Subsequent developments include the appearance of sedentary communities that developed agriculture and irrigation, and the emergence of complex socio-political hierarchies that created sophisticated civilizations, technology and monumental construction.

  8. Atahualpa - Wikipedia

    en.wikipedia.org/wiki/Atahualpa

    Atahualpa was the son of the emperor Huayna Cápac, who died around 1525 along with his successor, Ninan Cuyochi, in a smallpox epidemic. Atahualpa initially accepted his half-brother Huáscar as the new emperor, who in turn appointed him as governor of Quito in the north of the empire.

  9. Natural selection - Wikipedia

    en.wikipedia.org/wiki/Natural_selection

    Phenotype is determined by an organism's genetic make-up (genotype) and the environment in which the organism lives. When different organisms in a population possess different versions of a gene for a certain trait, each of these versions is known as an allele. It is this genetic variation that underlies differences in phenotype.