Plants capture only....... percent of the $PAR$ (Photosynthetically Active Radiation).

What is the natural reservoir of phosphorus?

Arrange the following as observed in vertical stratification of a forest: Grass,Shrubby plants,Teak,Amaranths.

What is an ecosystem service? List any four important ecosystem services provided by the natural ecosystems. Are you in favour or against levying a charge on the service provided by the ecosystem?

Stratification is more pronounced in

An ecosystem resists change because it is in a state of