There are line organs in fish which detect sound waves. I don't know about
their evolutionary value, but they are more primitive "hearing" organs than
those of mammals and birds. Now you know why all singing fish are basses.
mikey (%^ )
William Ryu <wsryu at fas.harvard.edu> wrote in article
<wsryu-1201972258120001 at slippp9-16.fas.harvard.edu>...
>> I was wondering if there are organisms with simple hearing systems which
> are much less "evolved" than the mammalian ear. I'm interested in a
> difference, analgous to the leap between the human eye and the light
> sensing mechanism of simple flagellates and protozoa?
>> Do such beasts exist? Does "audiotropism" occur?
> William Ryu
>wsryu at husc.harvard.edu / Harvard University Biophysics / Paradise-Hell
>ryu at risvax.rowland.org / Rowland Institute for Science, Inc.