gene flow
Movement of genes between populations, which can lead to changes in the genetic composition of local populations.
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Chapter 9 - Population Dynamics, Carrying Capacity, and Conservation Biology
Exponential growth
Growth in which some quantity, such as population size or economic output, increases by a fixed percentage of the whole in a given time period; when the increase in quantity over time is plotted, this type of growth yields a curve shaped like the letter J. Compare linear growth.
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Environmental resistance
All the limiting factors that act together to limit the growth of a population. See biotic potential, limiting factor.
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Ecological population density
Number of individuals of a population per unit area of habitat. Compare population density.
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dieback
Sharp reduction in the population of a species when its numbers exceed the carrying capacity of its habitat. See carrying capacity.
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Conservation biology
Multidisciplinary science created to deal with the crisis of maintaining the genes, species, communities, and ecosystems that make up earth's biological diversity. Its goals are to investigate human impacts on biodiversity and to develop practical approaches to reserving biodiversity.
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carrying capacity (K)
Maximum population of a particular species that a given habitat can support over a given period of time. See dieback.
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biotic potential
Maximum rate at which the population of a given species can increase when there are no limits on its rate of growth. See environmental resistance.
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bioinformatics
Applied science of managing, analyzing, and communicating biological information.
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Asexual reproduction
Reproduction in which a mother cell divides to produce two identical daughter cells that are clones of the mother cell. This type of reproduction is common in single-celled organisms. Compare sexual reproduction.
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