How did we start language?

The Danish Linguist Otto Jespersen gathered together five theories of the origin of language with the following names:

the bow-wow theory - language started by the replication of environmental sounds (e.g. animal calls) - suggesting langauge is onomatopoeic.

the pooh-pooh theory - language started from instinctive sounds relating to pain, anger, pleasure, etc. - sugguesting language is emotional.

the ding-dong theory - language started by spontaneous production of sounds in relation to common situations - suggesting language is an oral/physical mirror of reality, a mouthed echo.

the yo-he-ho theory - language started as song, work song, social chants, rhythmic movement of the vocal chords - suggesting language is musical.

the la-la theory - language started when love, art, poetry, music started - suggesting that language is aesthetic.

Something I found in my bookmarks from http://www.answerbag.com/q_view/281737

Cleaning them out now ~_~
I get a feeling I have at least 300 bookmarks ._.
Or more..

Ken..
Dies cleaning

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