A biogeochemical cycle without an atmospheric component is
Carbon cycle
Phosphorus cycle
Nitrogen cycle
Sulphur cycle
Which of the following is a biome
Lichen is the pioneer vegetation on which succession?
Nitrogen is a critical element of the ecosystem because it is
The waxy surface of the floating leaves of the hydrophytes prevents
The biodiversity increases when one moves from the pioneer to the climax stage. What could be the explanation ?