About the book: 2005 / The manual was prepared as a set for the textbook by V. B. Zakharov. N. I. Sonina “Biology. 7th grade. Diversity of living organisms." It contains a more detailed presentation of the topics “Protozoa”, “Sponges”, “Coelenterates”, “Flatworms”, “Roundworms” than in the textbook and additional information about the diversity of representatives of these groups. The text is accompanied by illustrations.