The complete IB DP Biology syllabus, redesigned as a modern teaching resource. Four themes, forty topics, every guiding question, every key term — built for students, optimised for clarity.
Each theme runs through all four levels of biological organisation — molecules, cells, organisms, ecosystems — so the same idea gets explored at every scale.
How the staggering variety of life ultimately rests on a small number of shared ideas — water, cells, descent, biodiversity.
The shape of life. Why every molecule, every cell and every organ is built the way it is — because structure determines what it can do.
Nothing alive is alone. From the chemistry of enzymes to the architecture of ecosystems, life is made of conversations.
DNA copies itself; cells divide; populations evolve. The mechanisms that keep life going — and the ones that let it become something new.