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Ecosystems — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYEcosystems2 Marks
Question
Distinguish between
Primary and secondary productivity.
✓

Answer

Primary and secondary productivity:
  Primary productivity Secondary productivity
1 Rate of amount of production of organic matter by producers over a period of time. Rate of amount of production of organic matter by consumers over a period of time.
2 It is due to photosynthesis. It is due to herbivory and predation.

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