Population growth curve in most animals, except humans is
$S$-shaped
$J$-shaped
$J$-shaped with tail
$S$-shaped with tail
Periodic departure and return of an individual in a population is known as
What would be the growth rate pattern, when the resources are unlimited ?
Which of the following is correct for $r$-selected species?
Under a particular set of selection pressure, organisms evolve towards the most ...$A$... reproductive strategy. Some organisms breed only ...$B$... in lifetime while others breed ....$C$... in life time
Choose the correct option for $A, B$ and $C$
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