The theory of evolution by natural selection has had an impact on modern biology. Which is an example of this impact?
Doctors use it to choose which blood group to give to a patient.
Farmers use it to decide how much fertiliser to add to their crops.
Doctors use it to explain why antibiotics should not be overused.
Farmers use it to measure how fast their crops photosynthesise.
122 exam-style questions on OCR GCSE Biology 5.2 Natural selection and evolution, covering 5.2.1 Genetic variation within a population, 5.2.2 Developments in classification systems, 5.2.3 How evolution occurs through natural selection, 5.2.4 Evolution as change over time, 5.2.5 Evidence for evolution, and 5.2.6 Darwin and Wallace. Each one has a worked solution and a mark scheme showing where the marks go.