Charles Darwin's Domestic Variation of Animals and Plants - Volume 2 is an important work that examines the effects of domestic selection on the evolution of organisms. In this second part, the author considers a wide range of phenomena — from the diversity of plant forms to the properties of animals that change under the influence of economic selection. Darwin examines quality, genetics, and heredity, allowing the reader to gain a deeper understanding of the processes and mechanisms of evolution. This book became one of the classic works in the field of biology and heredity, made a significant contribution to modern science and opened new horizons for further research.