1) In some individuals, a mutation occurs, as a result of which a new (patronizing) color appears
2) In the changed environmental conditions, animals with a new protective coloration had an advantage in the struggle for existence
3) in the process of EO, individuals with a new color left offspring for many generations, which led to the consolidation of the trait
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.