Reproduction and Inheritance · 6 question types
Past paper frequency (2018 to 2024)
This topic accounts for approximately 14% of your exam marks.
Natural selection explanations and antibiotic resistance as an application are tested in almost every series.
Evolution is the gradual change in the inherited characteristics of a population of organisms over many generations
Notice three things about that definition:
The mechanism by which evolution happens was worked out by Charles Darwin and Alfred Russel Wallace in the 1850s. They called it natural selection.