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IB Biology HL C4.2.7 Energy Sources Questions

Photoautotrophs use light captured by photosynthetic pigments. Chemoautotrophs obtain energy by oxidizing inorganic substances such as iron or sulfur compounds. In IB Biology HL C4.2.7, questions identify oxidation of simple inorganic substances as the energy source used by chemoautotrophs.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Identify chemoautotrophs as obtaining energy by oxidizing simple inorganic substances.

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