: The study of cells, including their chemical composition (organic substances), structure, and organelles.
The workbook is titled (Biology: General Patterns) and is authored by N. I. Sonin, along with V. B. Zakharov, I. B. Agafonova, and A. Y. Tsibulevsky. It is part of a standard educational set used in Russian schools. Key Topics Covered onlain reshebnik po biologii 9 klass rabochaia tetrad sonin
: Many Russian sites (e.g., Gdz.ru or Reshak.ru) host specific page-by-page answers for the Sonin workbook. Biology Workbook Answers - Google Search | PDF - Scribd : The study of cells, including their chemical