1. Man mastered upright posture and his forelimbs became free. They had developed fingers.
2. The structure of the human hand made it possible to make the first primitive tools of labor.
3. Collective lifestyle with rather complex relationships within the community.
4. Life in a team led to the formation of primitive speech. It was necessary to adjust the actions of community members, transfer information. This made it possible to act more effectively.
5. More developed brain.
All this gave significant advantages to man over animals.
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.