chapter nine

chapter nine - How Humans Evolved Chapter Nine: Primate...

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How Humans Evolved Chapter Nine: Primate Life Histories and the Evolution of Intelligence I. Why are Primates so Smart? a. Behavioral complexity is the hallmark of the primate order b. Large brains c. Intelligence defined as flexible problem solving and the ability to cope with novel situations d. Some hypothesis about primate intelligence emphasize complex foraging strategies and ecological pressures as the primary forces driving evolutionary increase in cognitive abilities e. Others suggest that increased social complexity favored the evolution of primate intelligence II. Life History: Why Primates Have Bigger Brains a. Life history theory addresses the kinds of evolutionary bargains organisms are engaged in to achieve a selective advantage in their environments b. A large brain correlates with greater intelligence c. Primates must have experienced selective pressure for a larger brain d. A large brain is also a massive consumer of bodily resources e. There is a correlation between having a larger brain and living a longer life f. Many animals maximize their reproductive potential by maturing fast and having a number of offspring at a relatively young age g. Animals who mature faster are also typically smaller, have smaller brains,
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This note was uploaded on 01/04/2009 for the course ANTH 200 taught by Professor Stanford during the Fall '08 term at USC.

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chapter nine - How Humans Evolved Chapter Nine: Primate...

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