The changes that occur in successive seral stages to reach a climax community are

$I.$ changes in the diversity of species of organisms

$II.$increase in the number of species and organisms

$III.$ increase in the total biomass

Choose the correct option

  • A

    $I\; and \;II$

  • B

    $I \;and\; III$

  • C

    $II\; and \;III$

  • D

    $I, II \;and \;III$

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