List biological rhythms.

Biological rhythm is periodically repeated changes in the nature and intensity of biological processes and phenomena
Examples:
Seasons: Summer, Autumn, Winter, Spring
Moon phases
Day and night
Seasonal



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.