Volvox, a colonial chlorophyte.
<P>
   The  colony  wall  is  composed  of  biflagellated  cells  that cannot
   reproduce if isolated.
<P>
   Within  are  asexual reproductive cells called gonidia which divide to
   form "daughter" colonies.
<P>
   Releasing daughter colony:  <A ClAsS=MID Href="../../../med/Vid/Campbell7e/VolvoxDaughter-V.swf" oNClick="popurlt('../../../../med/Vid/Campbell7e/VolvoxDaughter-V.swf');txtcolor('volvox1','gray');return false;" Id=volvox1><iMg sRc="/images/shockwave.gif" aLt='' boRDer=0></A>