Ai
Created page with "== Evolutionary origins == The evolutionary origins of speech are subject to much debate and speculation. While it is difficult to say with certainty when speech first arose in humans, it is generally agreed that it must have occurred sometime during the last 200,000 years, following the emergence of the Homo sapiens species. This is based on the anatomical evidence that only humans, of all the primates, have a vocal tract that can produce the wide range..."
