Introduction to biology

The word biology is called "biology", and it is a scientific term composed of two Greek words: (bio), which means life, and (logos), which means study, so its direct meaning becomes "the study of life." Biologists are interested in studying the structure and function of living organisms, their growth, origin, and development. And distribute it. Under the umbrella of biology, many scientific fields and knowledge are included, including: biochemistry, botany, cellular biology, evolutionary biology, ecology, genetics, molecular biology, physiology, and zoology.
Of course, these sciences and knowledge are intertwined and intertwined, and the great Russian biologist A. B. Karozina was aware of them, as he wrote his general reference in biology, entitled "Principles of Biology," in the early sixties of the twentieth century. The book was translated into Several languages, including Arabic, due to its importance and comprehensiveness, as it gives the reader a panoramic picture of biology with all its details and branches, and that picture, despite its comprehensiveness and ease of presentation, is deep, comprehensive, and sufficient.