Resources for Additional Higher Level topics for IB Biology.
This content is supplementary to the Core content, and will be tested in Paper 1 and Paper 2. It will NOT be tested in Paper 3.
Topic 7: Nucleic Acids and Proteins
Topic 8: Respiration and Photosynthesis
Topic 9: Plant Science
Topic 10: Genetics
Topic 11: Human Health and Physiology
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I-Biology | Reflections
Background image: E. hux cells SEM. Best. Cells. Ever. Source: http://www.co2.ulg.ac.be/peace/intro.htm
i-Biology 
I have a question: Is AHL for Higher Level (HL) students only? Or do Standard Level (SL) students also need to study AHL material?
Only HL students are examined on it, though if you are in SL and interested, go for it. HL fills in a lot of detail otherwise glossed-over in SL.