How is the example of the tortoises different from the example of the farmer selecting the traits for the plant leading to cabbage, kale, broccoli etc?
Why is the tortois example an example of natural selection and the example of the farmer altering the plants traits by growing the seeds of the best plants, not an example of natural selection?
Rewatch the videos definition of natural selection (7:45-end) and write a definition in your own words.