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Unformatted text preview: -survivorship-immigration ( i ), emigration ( e )- population growth in populations with no growth limits is exponential, described by the equation: r = (b-d) + (i-e). Populations grow this way when resources are abundant and the cost of reproduction is low, called r-selected populations.- one major limit to population growth is carrying capacity (k) the maximum number of individuals that can be supported by the environment. Populations show k-selected growth when resources are limited and/or reproductive cost is high. * historically the pattern of population growth for humans has been exponential (r-selected) although the rate of growth has recently started to decline. Is there a k for the human population?...
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This note was uploaded on 09/18/2011 for the course BIO 142 taught by Professor Jarrell during the Spring '11 term at Delgado CC.
- Spring '11
- Population Ecology