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  • An individual and population have certain characteristics. Name these attributes with definitions.

An individual and population have certain characteristics. Name these attributes with definitions.

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A population has certain characteristics that and individual does not have. Following are the main attributes of the population:

  1. Birth Rate: An individual is born, but a population shows the birth rate. The birth rate is usually expressed in terms of the number of births per thousand population.
  2. Death Rate: An individual dies, but a population shows the death rate. The death rate is usually expressed in terms of a number of deaths per thousand population.
  3. Sex Ratio: An individual is either a male or a female, but a population shows sex ratio. The ratio of a number of males to the number of females is called sex ratio. For example, the sex ratio in India is 934 females to 1000 males.
  4. Age Distribution: An individual can be of a certain age, but a population has people of different ages. For convenience, age groups are taken into consideration. Age group is normally categorized as pre-reproduction, reproduction, and post-reproduction age groups.
  5. Population Density: Population density is usually taken in terms of the number of individuals per square km. Population density depends on various abiotic factors. The plains usually have extremely high population density while mountains have very low population density. 
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