<Li> "Continuity theories" build on the idea that language exhibits so much complexity that one cannot imagine it simply appearing from nothing in its final form; therefore it must have evolved from earlier pre-linguistic systems among our primate ancestors . </Li> <Li> "Discontinuity theories" take the opposite approach--that language, as a unique trait which cannot be compared to anything found among non-humans, must have appeared fairly suddenly during the course of human evolution . </Li> <Li> Some theories see language mostly as an innate faculty--largely genetically encoded . </Li> <Li> Other theories regard language as a mainly cultural system--learned through social interaction . </Li>

What is the orgin of the english language