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IB Biology HL C4.2.7 Energy Sources Questions

Analyse how chemoautotrophs obtain external energy by oxidizing simple inorganic substances, and distinguish this pathway from photoautotrophic light capture in IB Biology HL C4.2.7.

Syllabus
First assessment 2025
Course
Biology HL
Level
HL

Exam points

  • Identify chemoautotrophs as obtaining external energy by oxidizing simple inorganic substances such as iron or sulfur compounds, and distinguish this pathway from photoautotrophy.

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