A natural region characterised by hot summer, warm winter and treeless vegetation
Tropical desert
Steppes grassland
Savannah grassland
Temperate desert
Phosphorus of ocean becomes available to land plants due to
Which one of the following statements is incorrect for secondary succession?
Outline salient features of carbon cycling in an ecosystem
Some of the stages in the hydrarch are labelled as
$I.$ Marsh meadow stage
$II.$ Reed swamp stage
$III.$ Submerged plant stage
$IV.$ Phytoplankton stage
$V.$ Submerged free floating plant stage
Identify the choice that represents the correct sequence of these stages
Which one is not dangerous for life and atmosphere