The total energy fixed by a gram plant (Cicer arietinum) in an ecosystem on the whole is called
Primary production
Gross production
Secondary production
None of the above
Which is not a structural aspect of ecosystem?
Which of the following ecosystems has highest productivity?
Which of the following food chain shows spindle shaped pyramid of number?
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) |
Which is the correct sequence in the food chain in a grassland