Where did mammals come from: ancient reptiles or ancient birds?

Mammals evolved from reptiles. This can be understood by their similar skeletal structure, limbs and organ systems. They have almost the same nervous system.



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.