Grade 9 - Evolution

Test yourself on Grade 9 - Evolution

• Select the correct statement for each pair

• Why did white peppered moths become easier for predators to spot after the Industrial Revolution?

• Why did the frequency of black-coloured peppered moths increase after the Industrial Revolution?

• What would most likely happen to the type of selection acting on a population if a changing environment stopped changing?

• What does the peppered moth example show about how environmental change affects natural selection?