ECOLOGY
ECOSYSTEM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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True
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False
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Either A or B
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None of the above
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Detailed explanation-1: -When demographers attempt to forecast changes in the size of a population, they typically focus on four main factors: fertility rates, mortality rates (life expectancy), the initial age profile of the population (whether it is relatively old or relatively young to begin with) and migration.
Detailed explanation-2: -The average global birth rate was 18.1 births per 1, 000 total population in 2021. The death rate was 7.7 per 1, 000.
Detailed explanation-3: -Birth Rate (or crude birth rate) The number of live births per 1, 000 population in a given year.
Detailed explanation-4: -Population data contains various influential details such as birth, death, demographic information such as age, sex, annual income, occupation, language, etc. The overall socio-economic, economic, political, cultural progress of a country is dependent on population data to a large extent.