Population
all the cases in a group being studied, from which samples may be drawn.Note: Except for national studies, this does NOT refer to a country’s whole population.
Population refers to the total number of individuals or organisms of a particular species living within a defined geographical area at a given time. The population can refer to human beings, animals, plants, or any other living organism found in a specific region.
One of the most significant aspects of population is the demographics, which involves factors such as age, gender, ethnicity, socio-economic status, and education level. Population distribution refers to the spread of a particular species over a geographical area while population density is a measure of the number of individuals in a defined area.
Population growth is the change in population size over time. It can be estimated through the difference between the number of individuals born and the number of individuals who die each year, or through immigration and emigration rates. Population growth can have both positive and negative effects, including resource depletion, ecosystem destruction, and economic development.
Understanding population dynamics is an essential aspect of ecological studies and informs different policy decisions concerning land use, human health, and environmental issues.
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