What is the available biomass for the consumption of heterotrophs?

Category: QuestionsWhat is the available biomass for the consumption of heterotrophs?
Editor">Editor Staff asked 3 months ago

What is the available biomass for the consumption of heterotrophs?
 
(a) GPP
 
(b) GAP
 
(c) NPP
 
(d) NAG
 
I had been asked this question in semester exam.
 
Question is taken from Ecosystem in chapter Ecosystem of Biology – Class 12

1 Answers
Editor">Editor Staff answered 3 months ago

Correct answer is (c) NPP
 
Easiest explanation: The available biomass for the consumption of heterotrophs is the net primary productivity (NPP). The heterotrophs are herbivores and decomposers. NPP is the gross primary productivity subtracted by respiration losses.