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12.Ecosystem
normal
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
$I, II \;and \;III$
Solution
In successive seral stages, there is not only a change in the species diversity of organisms present but there is also an increase in the number of species. Succession of plants and animals communities occurs side by side
Standard 12
Biology
