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Answer -
A group of entities belonging to the same species, residing in a specific geographical area at a particular time, together functioning as a unit can be termed as a population.
Listed below are the attributes that a population exhibits:
• Natality or Birth rate
It can be given by the ratio of live births in a particular area to the population of that area. Birth rate can be expressed as the number of individuals added to the population in terms of members of the population
• Mortality or Death rate
It is the ratio of deaths in a region to the population of a region. Death rate can be expressed as the loss of individuals in terms of members of the population
• Age distribution
It can be given by the percentage of individuals of various ages in a given population. A population consists of individuals at any given time, and are present in different age groups. Typically, an age pyramid can be used to depict the age distribution pattern.
• Sex ratio
It is the count of females or males per thousand individuals
• Population density
It is given by the number of individuals of a population per unit are at a particular time.