"Defense and Defense Alliances in Nature" is an outstanding work by the German scientist Wilhelm Belsche, which explores the interaction and relationships between different species in nature. The author reveals the unique adaptations of animals and plants for survival, giving examples from the life of communities and units in nature. This book opens to the reader the fascinating world of the struggle for survival of organisms existing in nature, revealing the subtlety and complexity of their interactions. "Unions of protection and defense in nature" is not only an important source of scientific information, but also a fundamental contribution to the understanding of the wonders of nature.