Q. Go through the following statements.
. Primary productivity of all ecosystem is a constant.
. The annual net primary productivity of the whole of the biosphere is million tons (dry weight) of organic matter.
. Net primary productivity is the amount of biomass available for consumption by carnivores.
. Secondary productivity is defined as the rate of formation of new organic matter by decomposers.
. Primary productivity depends on the plant species inhabiting a particular area.

Which of the above statements about productivity is true?

 1952  223 Ecosystem Report Error

Solution:

Correct answer is (d) Only