1) The occurrence of a mutation that caused the shape of the body of a butterfly in the form of a leaf
2) Preservation by natural selection of individuals with a similar body shape, since they were less noticeable against the background of the environment and were less likely to be eaten by predators
3) Individuals with a similar body shape more often survived, multiplied and spread – as a result, the trait was fixed in a series of generations
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.