Which one is right for logistic model for population growth?

$I.$ Population growth rate increases as the size of population approaches the carrying capacity

$II.$ All individual have same effect on population growth

$III.$ There are unlimited natural resources

$IV.$ As population increases the competition goes on increasing

Select the correct combination

  • A

    $I$ and $II$

  • B

    Only $IV$

  • C

    $IV$ and $III$

  • D

    $I$ and $III$

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