$PAR$ stands for
Photosynthesis Active Reaction
Photosynthesis Absorb Radiation
Photosynthetically Active Radiation
Photosynthetically Active Reaction
Water plants provide ....... to water animals
The ecosystem consists of
Consider the following four statements $(A-D)$ and select the correct option stating which ones are true $(T)$ and
which ones are false $(F)$.
Statements :
$(A)$ Vertical distribution of different species occupying different levels in a community is called stratification.
$(B)$ Net primary productivity minus respiration losses is the gross primary productivity.
$(C)$ Rate of biomass production is called decomposition
$(D)$ Annual net primary productivity of oceans is $55$ billion tons
(A) | (B) | (C) | (D) |
Energy enters in ecosystem through