The following graph depicts changes in two populations $(A$ and $B)$ of herbivores in a grassy field. $A$ possible reason for these changes is that
population $A$ produced more offspring than population $B$
population $A$ consumed the members of population $B$
both plant populations in this habitat decreased
population $B$ competed more successfully for food than population $A$
Give differences: Natality rate and Mortality rate
The birth and death rates of four countries are given below. Which one will have the least population growth rate?
$Country$ | $Birth\, rate$ $/1000$ | $Death$ $/1000$ |
$M$ | $15$ | $5$ |
$N$ | $25$ | $10$ |
$O$ | $35$ | $18$ |
$P$ | $48$ | $41$ |
The formula for exponential population growth is
$A$ : Environmental resistance operate to slow down exponential phase in logistic population.
$R$ : Crash phase does not occur in this population
Exponential growth in human population was done in