Improved nutrition food storage and transportation

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Unformatted text preview: avior o “Healthy aggression” is adaptive: leads to social dominance o Sexual selection: force that led to evolution of certain aggressive behaviors ● Hind limbs shorter in more aggressive ape lineages, humans evolved bipedalism only when we developed weapons so we don’t need shorter hind limbs, ability to make a strong fist ● Female aggression o intersexual competition: self- promotion (make up, tight clothes) o intrasexual: indirect aggression used to reduce mate value of competitor ● Summary o evidence for genetic contribution to human behavior o behavior is a complex trait o environmental context in which our behavioral phenotypes evolved o key to human evolution = plasticity LECTURE 22 - SEX AND GENDER ● False Dichotomy: A situation in which two alternative points of views are presented as the only options, whereas others are available. ● ● ● ● ● ● ● ● ● ● ● ● ● ● ● Sex: Genetic Make- up of the individual Gender: Behavioral and other characteristics often associated with a particular sex Genetic Imprinting: Gene express...
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This document was uploaded on 03/11/2014 for the course IB 35AC at University of California, Berkeley.

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