2- Sex Differences ( part 1 ).pdf

2- Sex Differences ( part 1 ).pdf - Required Reading(1...

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Required Reading : (1) Online reading: Introduction in Sexual Selections (10-21) LINK: http://ebookcentral.proquest.com.ezproxy.lib.ucalgary.ca/lib/ucalgary -ebooks/reader.action?docID=224654&ppg=10 (2) Animal Models and Gender in GCCP (9-17) 1
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Sex Differences: Part 1 Bringing our Biology Up to Speed Learn about the theory of Sexual Selection Male-male competition Female choice 2
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A big Take Home Point from the movie: What is presented to as “natural” (“real”, “biological”) differences between men and women in the media are not actually “natural” but constructed differences So what are the biological differences between women and men? 3
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1. Model systems vs Role models 2. Naturalistic Fallacy 3. Evolution by Natural Selection 5. Proximate vs Ultimate Explanations 6. We Are Not Talking About Genetic Determinism 4
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Animal Model Systems vs. Animal Role Models Animal Model System: Using animals to investigate biological principles (p. 11, 19-20 Sexual Selections; p. 16 in GCCP ) “Animals are useful for showing us what kinds of solutions exist to the common biological problems involved in survival and reproduction.” Zuk, p. 15, GCCP 5
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In studying animals, we are not interested in finding a role model for human behavior in the animal world (p. 16 in GCCP) Male marmosets care for their infants Baboons typically don’t show paternal care 6
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The idea that what is natural (appears in nature) is good and/ or inevitable (p.19-20 Sexual Selections) Eg: Black and white colobus Infanticide: males may kill unrelated, unweaned infants Black and white colobus, Ghana 7
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Easy way out of this situation: -“Nature is witless.” (p.20, Zuk, Sexual Selections ) -“It is not kind, cruel, not red in tooth and claw, nor benign in its ministrations. It is utterly, absolutely impartial.” (p.20, Zuk, Sexual Selections ) 8
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Natural Selection Individuals face environmental challenges Individuals better adapted in their current environment survive and reproduce
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