Food levels in an ecosystem are called
Trophic levels
Consumer levels
Producer levels
Herbivore levels
Justify the following statement in terms of ecosystem dynamics. “Nature tends to increase the gross primary productivity, while man tends to increase the net primary productivity”.
The total energy fixed by a gram plant (Cicer arietinum) in an ecosystem on the whole is called
How many food chains are there in the food web shown above?
Suppose $2000 \mathrm{~J}$ of solar energy is incident on green vegetation. On the basis of $10 \;\%$ law of Lindeman. Identify $A, B$ and $C$
What is the percentage of photosynthetically active radiation $(PAR)$, in the incident solar radiation.