Asubaev K.O., Kanagatov Zh.Zh. Экология животных: a textbook / Asubaev K.O., Kanagatov Zh.Zh., – Karaganda: Publishing house “Aknur”, 2018 – 278 p.
One of the global environmental problems in the modern world is the problem of ecology and conservation of biodiversity of the animal world. The animal world is an important regulating and stabilizing component of the biosphere, it ensures the stability of ecosystems as the most mobile element. There are no absolutely useful or absolutely harmful animals in nature, everything depends on their number, living conditions and a number of other factors.