The article discusses the question of whether the evolution of intelligence is inevitable once life is established. Different perspectives are presented, with some arguing that intelligence is not necessarily inevitable and others arguing that it is. The article explores the factors that may contribute to the development of intelligence, such as the need to hunt and evade predators, energy efficiency, and competition among individuals. The article also briefly touches on the topic of human hairlessness and provides different hypotheses for why humans are not covered in hair like other primates. [Extracted from the article]