Question

(Net primary production) - (consumption by heterotrophs ) is

• A. Net primary productivity
• B. Net productivity
• C. Gross primary productivity
• D. Primary productivity

Answer 1

The correct option is B Net productivity

Net productivity is defined as the rate of storage of organic matter not used by the heterotrophs or consumers i.e., NPP (Net primary productivity) - consumption by the heterotrophs during the unit time period.

So, the correct answer is 'Net productivity'.