Since then all other humans, who may have given signs as to how language developed have vanished, there are no traces to track this. Scholars of the modern world thought that the other languages of the world represented more ancient stages in the development of language, also Indo-European languages were considered as advanced languages. Today linguist experts agree that there were no primitive languages. Present humans speak languages which are complex in nature. In fact existing languages differ in the size of vocabulary and subjects covered with this vocabulary, all human languages possess the grammar and syntax needed, and could invent, translate, or share the vocabulary needed to express the full range of their thoughts.

During the course of human evolution brain size increased rapidly in a short period, bringing forth a new species. The first was the arrival of Homo erectus about 1.8 million years ago and the next was the existence of Homo sapiens 500,000 years ago. The increase in mental power would have enabled the hominids to increase their vocabulary, and progress from one word statement to two word or even multiple word statements. Analyzing their artifacts, the level of communication must have been low but possibly intermediate between humans and primates. Later it is found that they were able to communicate through their tongue pronouncing several words which are even used today. Captive apes using lexigrams produce strings of symbols to communicate in a pidgin like manner.

The greatest step would have been the progression from this simplified pidgin like communication to a Creole like language with all the grammar and syntax of modern languages. Scholars believe that this step could only have been accomplished with some biological change to the brain such as a mutation. It has been found that a gene – FOXP2 may have undergone a mutation allowing humans to communicate. Evidence shows that this change took place somewhere in Africa around 50,000 years ago, which rapidly brought significant changes in lexicon of the Homo sapiens, and is also apparent in the fossil record too.

Life skills are adaptive abilities to deal effectively with challenges and changing demands. They include decision-making, creative and critical thinking, stress management, interpersonal communication, and problem solving skills. Examples of practical life skills are: communicating with co-workers, financial management, self-care, maintaining health and wellness, employability, home maintenance, and managing family responsibilities.

As young students, we begin a life skills-based education in the foundational skills: reading, writing, telling time, math, creative thinking, and interacting with others effectively. However, we continue to learn and develop throughout our lives. As we become young men and women, experience and educational training help to teach the skills necessary to live a fulfilling and competent life. These skills will be necessary in all primary life areas. Many of the skills mentioned above will be essential throughout our lives. Some will be particularly important during various stages of life. Erik Erikson and Daniel Levinson identified a series of predictable life stages extending from our late teens to after retirement. These stages do not occur in a completely linear fashion. We cycle through portions of each stage throughout life; however, specific skills are dominant in each stage. The dominant skills will differ somewhat for each individual.