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Organisms and Populations — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYOrganisms and Populations2 Marks
Question
What is meant by total fertility rate? How does it differ from replacement level?
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Answer

TFR (Total Fertility Rate): Average number of children that would be born to a woman during her lifetime.Whereas replacement level (RL) is the number of children a couple must produce to replace themselves in a population.

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