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IB ESS 2.2.4 Photosynthesis

IB ESS 2.2.4 Photosynthesis
IB Environmental Systems and Societies syllabusESS SL/HLFirst assessment 2026

Practise tracing photosynthesis as light, carbon dioxide and water enter producers and become glucose, biomass and oxygen.

How this is tested

  • state the material inputs of photosynthesis without confusing them with sunlight or nutrients
  • outline how light energy is absorbed and stored as chemical energy in producer biomass
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