A) photosynthetic rate
B) net assimilation rate
C) gross primary productivity
D) net primary productivity.
Correct Answer: C
Solution :
: Gross primary productivity (GPP) is the amount of radiant energy trapped by the green tissues of primary producers. This energy is converted into assimilatory power and further to varieties of organic molecules. Thus the dry weight increases and this increase in dry matter per unit area over a given time is referred to as Gross primary productivity. Net primary productivity is the amount of GPP left after loss of cellular respiration.
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