The book "Methodical instructions for laboratory work No. 2 , 3, 4, 5 "Mathematical modeling of biological systems" by Korchagin is a unique educational material, which will become an indispensable assistant for students and teachers , Working in the field of biology , Bioinformatics and related disciplines . This work offers readers not just a set of methodological guidelines, but a whole system of knowledge that allows a deeper understanding of how mathematical models can be used to analyze and predict the behavior of biological systems. The book explores key aspects of mathematical modeling, ranging from basics to more complex concepts. Korchagin shares his knowledge and experience, explaining how to use mathematical methods to solve real-world problems in biology. The reader will be able to get acquainted with various types of models, including dynamic systems, stochastic processes and statistical methods that allow exploring biological phenomena from a new perspective. This book will be especially useful for senior students, graduate students and young scientists who are looking to expand their knowledge in the field of mathematical modeling. It will also be suitable for teachers who are looking for high-quality and affordable material for their classes. If you are interested in biology, mathematics or their intersection, the "Methodological instructions for laboratory work" will help you not only to master the theory, but also to apply it in practice. The topics raised in the book cover a wide range of issues, such as ecosystems, population dynamics, interactions between species, and many more. Korchagin emphasizes the importance of the mathematical approach in biology, emphasizing that without it it is impossible to fully understand complex biological processes. In this context, the book becomes not just a textbook, but a real guide to the world of biological research. The author's style is distinguished by clarity and accessibility, which makes the material understandable even for those who are just beginning to get acquainted with mathematical modeling. Korchagin uses many examples and illustrations, which helps the reader to better understand complex concepts. This approach makes the book not only useful, but also fascinating to read. If you are looking for literature that will help you deepen your knowledge in the field of mathematical modeling of biological systems, pay attention to other works of Korchagin. His research and publications in this field have earned recognition among professionals and students. The book "Methodical instructions for laboratory work" will be an important step towards mastering this interesting and relevant topic. Do not miss the opportunity to discover the world of mathematical modeling and its applications in biology with this book. It will not only enrich your knowledge, but also inspire new research and discoveries. Approach the study of biological systems from a scientific point of view, and you will see how mathematics can change your perception of wildlife.