How has the world of plants and animals changed in the process of historical development?
October 31, 2020 | Education|
In the course of a long development, many organisms on Earth disappeared without a trace, others have changed beyond recognition.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.