Secondary productivity is
The rate of formation of new organic matter by consumers
Greater than primary productivity
$5 \;\%$ less than primary productivity
Equal to the gross primary productivity
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) |
The transfer of energy from organism to organism in a natural community establishes
Greater primary productivity depends upon
Major conduit of energy in land and aquatic ecosystem is transferred through ______ and ______ respectively.
If all the plants of the world die all the animals will also die due to shortage of