AP Bio Unit 8 Topic 3

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9 Terms

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Demography

the study of the vital statistics of populations and how they change over time

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life table

an age specific summary of the survival pattern of a population

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survivorship curve

represents life tables

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density dependent

selection for life history traits that are sensitive to population density

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exponential growth

a population living under ideal conditions

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life history

the traits that affect an organisms schedule of reproduction and survival

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density independent regulation

selection for life history that maximizes reproductive success

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K selection

Make only a couple of really high quality babies

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R selection

Make as many cheap expendable babies as possible