The bacteria which attack dead animals are
First link of the food chain and are known as primary producers
Second link of the food chain and are herbivorous
Third link of the food chain and are tertiary consumers
The end of food chain and are decomposers
Which one of the following is a correct food chain
$A$ : In secondary productivity, no new organic matter is formed.
$R$ : It is only utilisation of part of food manufactured by primary producers in building of consumer biomass.
Energy enters in ecosystem through
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) |