Class 12 · Organisms and Populations

Intrinsic Rate of Increase (r) — NEET Biology

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To give you some idea about the magnitude of r values, for the Norway rat the r is 0.015, and for the flour beetle it is 0.12. In 1981, the r value for human population in India was 0.0205. Find out what the current r value is. For calculating it, you need to know the birth rates and death rates.

NCERT Biology · Class 12 · Chapter 11 · Paragraph 25
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Which of the following species has the highest intrinsic rate of natural increase?

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