186 3-9 - 9. Name the three proximate causes of behavioral...

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9. Name the three proximate causes of behavioral differences between people and explain each. (Podcast: Lec 10-05 starts around 4 min., PowerPoint 10-05 starts at 3 rd slide) The proximate causes of behavioral differences between people are due to three sources of variation: 1) Genetic variation – differences between people because they inherit different genes from their parent. Example: Type II diabetes is related to obesity. There are known genes that predispose people for Type II diabetes. 2) Environmental variation – differences between people because they live in different environments Example: Environment where there is ready access to sugar can lead to heavier bodies and consequently to Type II diabetes. In island of Nauru in Western Pacific people due to exploitation of phosphate deposits in 50’s and 60’s became very wealthy. People became extremely heavy because of access to junk food and other high in sugar foods. The rate of Type II diabetes went as high as about 60% of the population. 3) Cultural variation – differences between people because they have acquired different beliefs or values by teaching or imitation. Example: cultural differences might determine what the desirable body shape is. W.H. Taft, the 27 th president of US, was immensely fat according to contemporary standards. In those days being fat was a sign of status. Today it is not regarded the same way. This shows that different ideas and beliefs can affect how heavy people can get. 10. Explain the difference between proximate and ultimate causes. Give an example of each. A proximate cause is a physiological adaptations that lead you to behaviors to fulfill the ultimate function (usually). Why something behaves the way that it does. Ex: A young virgin male screams at the top of his lungs that he wants to have sex. Proximate cause of this could be: wants to have sex, sounds fun, felt
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This note was uploaded on 11/24/2009 for the course ANTHRO 186P taught by Professor Boyd during the Fall '09 term at UCLA.

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186 3-9 - 9. Name the three proximate causes of behavioral...

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