Psc101 Owings 1

Psc101 Owings 1 - 1 Owings - PSC 101 Lectures recorded...

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Unformatted text preview: 1 Owings - PSC 101 Lectures recorded & posted at web site Pdfs of Powerpoints posted at web site Exam is mostly lecture, but also a few from uncovered readings Videos also available via a web link. Name: psc101 Password: annulatus Reproductive and Social Behavior Chapter 17 Themes Biological systems organized at multiple levels Two-way interplay between levels Molecules cells tissues organs organ systems organisms reproductive units, or parent + offspring social groups populations species communities Explore reproductive & social behavior from this perspective (individual & social system) Mating systems Much variation across species in form ClassiFcation- based on number of mates per individual Monogamy- 1 male with 1 female Polygamy- individuals of one sex mate with multiple individuals of another sex more diverse then monogamy Subdivided - polygyny; polyandry 2 Polygamy Polygyny- 1 male, multiple females; more diverse where resources/mates are economically defendable Economic defendability (Brown; Emlen & Oring) resource defense- e.g. wildebeest female defense- e.g. sea lions Where neither resources nor mates are economically defendable male dominance- includes leks, e.g. black grouse x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x x Economic Defendability vs Polygamy Polygyny- 1 male, multiple females, more diverse where resources are economically defendable Economic defendability (Brown; Emlen & Oring) resource defense- e.g. wildebeest female defense- e.g. sea lions Where neither resources nor mates are economically defendable male dominance- includes leks, e.g. black grouse 3 Polygamy Polygyny- 1 male, multiple females, more diverse where resources are economically defendable Economic defendability (Brown; Emlen & Oring) resource defense- e.g. wildebeest female defense- e.g. sea lions Where neither resources nor mates are economically defendable...
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This note was uploaded on 09/05/2008 for the course PSC 101 taught by Professor Owings,coss,henry during the Spring '07 term at UC Davis.

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Psc101 Owings 1 - 1 Owings - PSC 101 Lectures recorded...

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