Population termed $r$ - strategists
Have $J$ - shaped growth curves
Have type $III$ survivorship curves
Are usually pioneer species
All of these
In nature, a given habitat has enough resources to support a maximum possible number, beyond which no further growth is possible. This characteristic feature of nature is known as
$A$ : Environmental resistance operate to slow down exponential phase in logistic population.
$R$ : Crash phase does not occur in this population
$J-$shaped growth curve depicts
In India, if the marriage age is changed to $21$ years then