Ключевые слова: интегрирование, компетентность, полиязычное обучение, CLIL, STEM .
Summary. The article deals with the issues related to the results of the study of the effectiveness
of the integration of the English language in teaching biology. On the integrated courses «Zoology
of invertebrates», «Systematics of plants», «Evolutionary doctrine». In the context of the transition to
teaching in three languages as a new educational model .new methods and innovative technologies
of teaching in three languages are provided. In terms of trilingual education, changes in the system
of pedagogical process management are reflected, aimed at developing the experience of interaction
between students and teachers of chemical and biological specialties, and adapting students to new
socio-cultural conditions.