Lecture 8 social evolution

Lecture 8 social evolution - Anthropology5...

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Anthropology 5 Introduction to Physical Anthropology Lecture 8
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-No sections next week (Monday - Friday). Midterm: -On web: Friday, Oct 24th, about 3pm. -Due: In class, Thursday, Oct 30th -Late exams (after 12:15) will not be accepted! -Use Pink scantron ONLY for multiple choice; keep it in good condition. -YOU MUST WRITE YOUR OWN ESSAY. NO PLAGIARISM FROM ANY SOURCE; AND NO DIRECT QUOTATIONS.
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Dynamics of social evolution
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Dynamics of Social Evolution In particular, what is the entity that (social) adaptations are designed to benefit? Gene? Individual? Group? Species? Eco-system? The question is general.
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+ - individual
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+ - neighbor
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+ - neighbor + - individual
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+ - neighbor + - individual ++ +- -- -+
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+ - neighbor + - individual ++ cooperative +- selfish -- spiteful -+ altruistic
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Dynamics of Social Evolution In particular, what is the entity that (social) adaptations are designed to benefit? Gene? Individual? Group? Species? Eco-system?
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Now imagine a mutant that causes an altruistic trait. What will happen to this gene?
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Now imagine a mutant that causes an altruistic trait. What will happen to this gene? It gets costs, and gives benefits (to competitors). It will be selected against.
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altruistic trait. What will happen to this gene? It gets costs, and gives benefits (to competitors). It will be selected against.
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This note was uploaded on 04/09/2012 for the course ANTH 7 taught by Professor Sell during the Fall '08 term at UCSB.

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Lecture 8 social evolution - Anthropology5...

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