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

Intermediate community between pioneer and climax communities is called

Lichen is the pioneer vegetation on which succession?

Given below is a figure of an ecosystem. Answer the following questions.
$(i)$ What type of ecosystem is shown in the figure?
$(ii)$ Name any plant that is characteristic of such an ecosystem.

Which nutrient cycle is a sedimentary cycle?

Which ecosystem has the highest biomass?