Why is it a population, and not a species or subspecies, that is an elementary evolutionary unit?

A population can exist for a long time without contact with other similar populations, while crossing each other, individuals give fertile offspring, mutations and a struggle for existence arise. Over time, this can lead to the emergence of a new species.



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.