The growth of population is determined by
Biotic potential only
Environmental resistance only
Emigration only
$(a)$ and $(b)$ both
It's Obvious
Give differences: Natality rate and Mortality rate
The stationary phase of a population occurs when
The most important factor which determined the increase in human population in India during the $20^{\text {th }}$ century.
If natality is represented by $-B$
If mortality is represented by $-D$
If immigration is represented by $-I$
If emigration is represented by $-E$
If population density is represented by $-N$
Then population density at time $t+1$ is represented by
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