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The 80 individuals are born per year in a population, and the mid-year population is 5000. What is the birth rate of that area?(a) 20(b) 16(c) 4(d) 2I got this question in exam.This intriguing question comes from Population Growth in section Organisms and Populations of Biology – Class 12

Answer»

Correct CHOICE is (b) 16

To explain I would SAY: As per the formula, Natality = \(\frac{NUMBER \, of \, deaths \, per \, year}{Mid-year \, population}\) X 1000 = \(\frac{80}{5000}\)1000 = 16

The birth rate of the given area is 16 per year.



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