Nurturing Life Sciences
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#Unit 10. Ecological Principles
Exponential growth
Describes population growth for continuous breeders
Such as bacteria, internal parasites, some insects, or humans, reproduction can be continuous.
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Population sizes at various times
Nt = N0ert
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Per capita rate of increase, r, related to the net reproductive rate, R0
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r, is affected by organismal size and generation time.
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When conditions are optimal for the population, r is at its maximum rate and is called the intrinsic rate of increase (rmax).