Cambridge Secondary (7-9). Stage 9. MCE Science. Student Book - Unit 3: Variation and Inheritance - Question 56

In a population of mice, some have light grey fur and some have dark grey fur. Owls are the main predators in the area. They hunt at night. Study Figure 3.39 and answer the question.









Explain how natural selection changes the proportion of light grey mice and dark grey mice in the population over time.