After the beginning of the Industrial Revolution, the black moth population was nearly 98% of all moths in this region. This was a turnaround of nearly 100%.
1. Did the moths change color over this time period?
2. Why were black moths the majority of the population during this time period?
3. Think about long-neck and short-neck giraffes. What would happen over time if all the shrubs and ower leaves on the trees disappeared?
4. Would the short neck giraffe grow longer necks?