Anatomy of a coral polyp.
<p><a href="//commons.wikimedia.org/wiki/File:Coral_polyp.jpg" title="File:Coral polyp.jpg">File:Coral_polyp.jpg</a>: NOAA <br>
derivative work: (to SVG) MarkusZi <br></p>
derivative work: (English Translation) Earlza
<a href="//commons.wikimedia.org/wiki/File:Coral_polyp_de.svg" title="File:Coral polyp de.svg">File:Coral_polyp_de.svg</a>