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5 Oct 2026
Richard Scarr
It is with great sadness that we have to announce the passing of Richard Scarr. He was always an enthusiastic biologist and a dedicated educator. After reading Biology at Kings College in London he taught...
12 Aug 2026
Exam practice questions
Over the summer we have completed a full set of exam practice question pages, one for each topic. These pages are great for homework or revision. The Exam practice concept; The pages all have “exam practice”...
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Subscriber comments
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Hello, where can I find the revision quiz for reproduction?
D3.1 Reproduction - planning sheet -
Extremely sad to hear this.He contributed so much to teaching. He will always be remembered.
Richard Scarr -
Could you please check the cladograms at the bottom of the first page of the "Using DNA sequences to build cladograms" worksheet? The first and third cladograms are the same. I think B and A need to be swapped in the third one.
Reclassifying using DNA, cladistics & rRNA (2025)
Samuel
Hello, Where can I find the reproduction revision quiz? Is there no longer a quiz folder?
D3.1 Reproduction - student friendly summary