Cultural evolution, the development of cultures from simpler to more complex forms. Early Adolescence. According to Leslie, “culture evolves as the amount of energy harnessed per capita per year increases or as the efficiency of the means of putting this energy to work is increased.” In the fourth, they learn to use the energy of natural resources: coal, oil, gas. The early stages of adolescence encompass the time when we encounter, in earnest, the sobering imperfections of life under the duress of the human condition. By about eight weeks this bundle of cells gradually turns into the shape of the human body. In the second state, with the development of agriculture, humans are able to pass information through individual experience. Leslie White was an American cultural anthropologist known for his neo-evolutionary viewpoint. An example was the use of the harness where the carts used to pull the cart. In the third, humans begin to use signs and develop logic. In the first stage, information is passed by genes. Leslie White •Technology is key to understanding growth & development of human culture. White differentiated five stages of human development based on the nature of energy used. The child then moves on to the phallic stage when they are between 3 and 6 years old: it is around these ages that sexual pleasure becomes centred on the genitals. Stages of Human Life Cycle . Leslie White, Leslie view technology as a component of culture in addition to ideology and sociology all of which are continuously changing thus leading to a general evolution of culture. Introduction to Child Development 5 conflict here is the desire to satisfy these bodily functions immediately, clashing with the parent’s desire to toilet-train the infant. Leslie White was a man who explained the process of human development.White explained that human development had stages, and the first stage showed the use of energy from their muscle. •To serve these needs, energy is required. He distinguishes four stages of human development, based on advances in the history of communication. Foetus in the womb . It is a mechanism for providing subsistence, protection, offense and defense, social regulation, cosmic adjustment and recreation. The species: the first half of Homo habilis’ reign – 2 to 1.5 million years ago; the individual – 12 and 13 years old. Stage 1 . This is called the foetus. White was born in Salida, Colorado, on January 19, 1900 and planned a career in the natural sciences before joining the Navy during World War I. •Culture is means by which humans carry on the life process. In the first stage, people use energy of their own muscles.In the second, they use energy of domesticated animals.In the third, they use the energy of plants (here White considers the agricultural revolution significant). It is now understood as a multilinear phenomenon that describes the evolution of individual cultures or societies. The second stage is that they also used domesticated animals to do their work. At first this creation looks like a bundle of cells. The subject was once viewed as a unilinear phenomenon that describes the evolution of human social behavior. An egg from the mother is fertilised by a sperm from the father and turns into an embryo inside the mother’s womb.