Sex at Dusk: LynnSaxon Introduction and Ch. 1 Notes
Sex at Dusk: LynnSaxon Introduction and Ch. 1 Notes SOCI 3322
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This 2 page Class Notes was uploaded by Teresa on Sunday September 6, 2015. The Class Notes belongs to SOCI 3322 at University of Texas at El Paso taught by Dr. Aurolyn Luykx in Fall 2015. Since its upload, it has received 75 views. For similar materials see Sex, Culture and Evolution in Sociology at University of Texas at El Paso.
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Killer notes! I'm stoked I can finally just pay attention in class!!!
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Date Created: 09/06/15
Sex at Dusk Notes Intro and Chapter 1 Introduction 0 5 7 million years ago our ancestors join with that of the chimpanzee and the bonobo and about 79 million with that of the gorilla 0 The human female more than the female of any other species has had her sexuality socially controlled 0 Modern Homo Sapiens around for about 200000 0 Future of genes dies from the lack of sex not organism 0 recreational sex tied with procreation and reproductive success 0 Gene unit in which natural selection acts Chapter 1 0 Origin of Species theory on how evolution works via natural selection Traits spread down because they help in survival in particular environments better than other traits 0 Sexual selection competition between individuals of same sex 0 Explains competition between males for females and female choosiness 0 Barnacle species number of dwarf males inside a female 0 Mating often resisted because it is a costly investment 0 Evolution change in frequency of alleles Can occur without natural selection 0 Sex cells sperm males eggs females 0 Sexual dimorphism distinction between males and females 0 Most species have smaller males than females because a bigger female produces more eggs 0 Males can fertilize eggs of a number of different females females have a limited number of eggs variance if number of offspring form males is greater 0 Sex with gt parental investment is a limiting resource for which members of the other sex compete 0 benefit of the gene not the individual ex antechinus p 24 spiders food of offspring p 25 0 Sexual con ict con ict betw sexes over if when and how often to mate 0 Hermaphrodites most invertebrates produce both sperm and eggs ex Flatworms penis fence pg 27 0 Darwin gave to consideration to possibility of promiscuous sex but believed it was extremely improbable 0 Consideration of Classificatory systems ex father as used in tribes pg 39
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