Define the grandmother effect.

What will be an ideal response?


The grandmother effect is an evolutionary theory that states that natural selection occurred among early humans, favoring women who lived longer, were vigorous, and helped to care for their grandchildren. Older women who are healthy and active enhance their own fitness by providing care for their grandchildren who carry their genes, thereby enhancing the survival of those offspring.

History

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Which of these was a major Mayan urban center?

A) Tula B) Tenochtitlán C) Cuzco D) Tikal

History

The Mothers' Protection League in Germany argued that __________ should support mothers and children.

A. the government B. fathers C. religious institutions D. family members

History

Where does the Epic of Gilgamesh take place?

A) ?Egypt B) ?Mesopotamia C) ?Persia D) ?Mordor E) ?Eropa

History

The financial collapse and depression of the 1890s was an international crisis, precipitated by a financial panic that started in:

A) Britain. B) Germany. C) France. D) Argentina.

History