The book "On the origin of species by means of natural selection, or the preservation of the selected in the struggle for existence" by Charles Darwin is one of the most influential scientific publications in history, which changed the world picture of nature. In this book, Darwin states his theory of the evolution of species through natural selection. He argues that all species of plants and animals evolve through competition for resources and adaptation to the environment. The book demonstrates the importance of natural selection in shaping the diversity of life on Earth. Darwin gives the reader the opportunity to learn more about the laws of nature and the origin of the diversity of species in nature.