: Provides video lessons and simulators specifically for the 9th-grade Russian biology program.
While direct file downloads can vary by region, these sources typically host the material:
: Cell structure, chemical composition, and organelles. Genetics : Heredity, variability, and Mendelian laws.
: Use this for digital flashcards based on standard 9th-grade units like photosynthesis and cell organelles.
: A major teacher resource where educators often upload full test banks and answer keys for Gekaliuk's workbook.