Amount of organic matter stored by producers for heterotrophs per unit area in per unit time is known as productivity.
A
net primary
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
B
gross primary
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
secondary
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct option is A net primary Gross primary productivity is the amount of organic matter synthesized by producers per unit area in unit time. It is equivalent to the total photosynthesis. It also indicates the capacity of producers to assimilate solar energy into living matter.
Net primary productivity is the amount of organic matter stored by producers (for heterotrophs) per unit area in per unit time. When respiration losses are deducted from the gross primary productivity, it results in net primary productivity. It is the productivity that accumulates as biomass.