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Q.
The formula for exponential population growth is
Bihar CECEBihar CECE 2013
Solution:
In J-shaped form of population growth, the density increases in an exponential manner and then a crash occurs or the increase stops abruptly as environmental resistance becomes effective. This is mathematically described by an equation of exponential or geometric increase, which is as follows $ \frac{dN}{dt}=rN $ where, d = rate of change t = time N = number of females at a particular time r = biotic potential of each female (N can also be considered as the total population and as the biotic potential of each individual).