The Grade 9 Biology workbook "General Patterns" by Mamontov, Zakharov, Agafonova, and Sonin aligns with the main curriculum to reinforce key concepts through exercises and OGE/EGE test preparation. Commonly published by Drofa, this workbook provides comprehensive coverage of general biological principles. Solutions can be found on educational platforms such as GDZ.ru and MegaResheba. 9 Захаров Сонин рабочая