The document explores the biological context of language, comparing human language with the natural communication systems of various animal species, including bees, birds, vervet monkeys, and apes. It discusses attempts to teach human language to animals, such as dogs and chimpanzees, and evaluates their language abilities against human language features. The origins and evolution of human language are also addressed, with various theories presented, revealing that while animal communication shares certain aspects with human language, it ultimately differs in complexity and functionality.