Populations
Populations
Populations (/pɒpjuːˈleɪʃənz/), from the Latin populatio, meaning "people", is a term used in various fields such as biology, sociology, and public health to refer to a group of individuals of the same species living in a specific geographical area and capable of interbreeding.
Definition
In biology, a population is defined as a group of individuals of the same species that live in the same area and interact with one another. Populations can vary in size and density, and these characteristics can influence the genetic diversity and evolution of the species.
In sociology and demography, a population refers to a collection of humans or other organisms living in a particular geographic area. Population studies in these fields often focus on factors such as population size, distribution, and trends over time.
In public health, population often refers to a group of individuals who share a common characteristic, such as age, sex, or health status, and are often the focus of specific health interventions or policies.
Related Terms
- Population density: The number of individuals per unit area or volume.
- Population growth: The increase in the number of individuals in a population.
- Population genetics: The study of genetic variation within populations, and involves the examination and modelling of changes in the frequencies of genes and alleles in populations over time.
- Population health: An approach to health that aims to improve the health of an entire population.
See Also
References
- Campbell, N. A., & Reece, J. B. (2005). Biology. San Francisco: Pearson Benjamin Cummings.
- Last, J. M. (2001). A dictionary of epidemiology. New York: Oxford University Press.
External links
- Medical encyclopedia article on Populations
- Wikipedia's article - Populations
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