Since "Latiushkin" for 6th grade is uncommon, you can find the equivalent standard 6th-grade materials on these platforms:
Биология. 6 класс. Базовый уровень. Учебник - Просвещение
The search for a specific 6th-grade biology textbook by "Latiushkin" (Латюшин) suggests it is likely a misspell or confusion with (В.В. Латюшин), who is widely known for his 7th-grade Zoology textbooks. For 6th grade, the standard curriculum focuses on Botany (Plants, Bacteria, Fungi), often led by authors like V.V. Pasechnik . 🌿 Core Topics of 6th Grade Biology
: How organisms live, covering photosynthesis, respiration, nutrition, and transport of substances.