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
$I\; and \;II$
$I \;and\; III$
$II\; and \;III$
$I, II \;and \;III$
Which of the following plants develop characters of xerophytes?
It is true example of sedimentary cycle
Estuaries occur in
One of them is a submerged hydrophyte