IB Biology Syllabus 2025
The IB Biology syllabus is a list of all the content standards, skill applications and nature of science standards that the IB Organization mandates are taught throughout the two years of the IB Biology higher level course. The full syllabus can be seen here. While SHS does not necessarily progress through the content statements in order, they are presented in order here. If you are curious about the order in which the syllabus is taught at SHS, you can:
The IB Biology curriculum is organized by themes (A-D) and levels of organization (1-4) in a "roadmap."
- Click here to view the general sequence of the SHS course here
- Click here for the SHS units mapped to the IB Biology curriculum roadmap
- Click here for the SHS units mapped to the Skills in the Study of Biology in progress
- Click here for the SHS units mapped to the Nature of Science in progress
The IB Biology curriculum is organized by themes (A-D) and levels of organization (1-4) in a "roadmap."
THEME |
1. MOLECULES |
2. CELLS |
3. ORGANISMS |
4. ECOSYSTEMS |
A. Unity and Diversity Common ancestry has given living organisms many shared features while evolution has resulted in the rich biodiversity of life on Earth. |
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B. Form and Function Adaptations are forms that correspond to function. These adaptations persist from generation to generation because they increase the chances of survival. |
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C. Interaction and Interdependence Systems are based on interactions, interdependence and integration of components. Systems result in emergence of new properties at each level of biological organization. |
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D. Continuity and Change Living things have mechanisms for maintaining equilibrium and for bringing about transformation. Environmental change is a driver of evolution by natural selection. |