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 one of the following system constitutes the primary producers
Which of the following trophic levels are occupied by sparrow?
What is maximum in a pond-ecosystem
In a food chain of grassland ecosystem, the top consumers are
Which is not a structural aspect of ecosystem?