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Match List I with List II:
Column I
- i. Productivity
- ii. Net primary productivity
- iii. Gross primary productivity
- iv. Secondary productivity
Column II
- a. Gross primary productivity minus respiration losses
- b. Rate of formation of new organic matter by consumers
- c. Rate of biomass production
- d. Rate of production of organic matter during photosynthesis
Correct answer: i → c, ii → a, iii → d, iv → b