Natural Selection of Large Mammals, not anymore.

When teaching evolution by natural selection it is very easy just to think about what the examiners need to read in the students’ responses. I know that I constantly hammerhome the sequence: Within a population there is genetic variation due to random mutations. Some of these mutations may result in different phenotypes. Following environmental change,Continue reading “Natural Selection of Large Mammals, not anymore.”

The Sequencing of A Level Enzyme Practical Lessons

I teach OCR A Biology in a small, non-selective, 11-18 girls school in Jersey. This year the school has moved to a 6 hour per week per subject timetable to aid this difficult transition based upon the end of the students’ Year 11 experience. Early on in the term, it was clear that the lackContinue reading “The Sequencing of A Level Enzyme Practical Lessons”