Edexcel AS Biology

This is a book about AS Level Biology. It aims to fit in with the Edexcel AS level Biology syllabus but is not endorsed by Edexcel. It should be useful as an alternative to revision guides and/or textbooks.

If any part of this book is unclear or even wrong then please post a comment on the discussion page or simply fix it yourself! In particular, please say if the book assumes any knowledge or skills which not all AS level Biology students have.