The 10th-grade biology textbook by V. B. Zakharov (alongside authors like S. G. Mamontov and N. I. Sonin) is available online in several formats, primarily covering for both basic and advanced levels. Online Textbook Resources
You can find complete digitized copies of the textbook (7th edition, 2019) on educational portals like Edu.Tatar , which includes chapters on cytology, genetics, and molecular biology. onlain uchebnik po biologii 10 klass zakharov
Reproduction and individual development (ontogeny) of organisms. Биология The 10th-grade biology textbook by V
For checking work, a separate "Ready Homework" (GDZ) manual by Zakharov and Zakharova is available on NZDR.ru , providing detailed answers to end-of-chapter questions. Core Topics Covered 2019) on educational portals like Edu.Tatar