Population Characteristics, Population Size & Density, Natality, Mortality, Sex Ratio, Age Structure

#bscbotany #ecology #12biologyclass #11biology #botany #csirnetlifescience
 Population is the sum of all individuals belonging to a particular species at a particular time in a given space.
 An individual may have birth or death but a population has birth rate and death rate.
 An individual is either male or female but a population has sex ratio.
 A population has several qualities or group characteristics which are function of the whole group and not of the individual. These characteristics of population are
1. Population Size & Density
2. Natality / Birth Rate
3. Mortality / Death Rate
4. Sex Ratio
5. Age Structure
6. Survivorship Curve

[BiologyByDr.Imtiyaz]

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