How does animal life change at different times of the year? Why are these changes taking place?

Some animals hibernate in winter, such as a bear. Others, like a hare or a squirrel, molt, changing the color of their fur. Many animals store food for the winter. Animal life in winter is not as active as in summer.

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.