Most organisms, in the course of evolution, have adapted to mislead predators or prey. So the toads that live in the forests of the Amazon have a characteristic bright color, thus they warn that they are poisonous and it is better not to touch them. Others, on the contrary, have a color that merges with the environment, thereby masking the animal from other organisms. So a chameleon can take on the color of the environment, merging with the colors of the environment. Disguise helps the chameleon to sneak up on victims.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.