If in a population the natality is 25 and mortality is 55, in a span of 10 years. What is the growth rate (GR) of that population?(a) -3(b) 100(c) 28(d) -38I have been asked this question in a national level competition.Enquiry is from Population Growth in portion Organisms and Populations of Biology – Class 12

If in a population the natality is 25 and mortality is 55, in a span o

1.	If in a population the natality is 25 and mortality is 55, in a span of 10 years. What is the growth rate (GR) of that population?(a) -3(b) 100(c) 28(d) -38I have been asked this question in a national level competition.Enquiry is from Population Growth in portion Organisms and Populations of Biology – Class 12
Answer» The CORRECT ANSWER is (a) -3 Explanation: As per the FORMULA, GR = \(\frac{Natality – MORTALITY}{Unit \, time} = \frac{25 – 55}{10}\) = -3 The growth rate of the given area is -3 in 10 years.

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