1. Helina Reino GAG 2010

8. http://www.miksike.ee/docs/referaadid2006/kasnad_brita.htm http://www.homeopathyandmore.com/med_images/SPONGIA_TOSTA.jpg http://marenostrum.org/bibliotecadelmar/historia/esponjas/psilo.jpg http://hellejorgensen.typepad.com/gooseflesh/images/2008/02/05/porifera.jpg http://www.justmommies.com/blog/wp-content/plugins/wp-o-matic/cache/4705c_sponge(1).jpg http://static.howstuffworks.com/gif/willow/sponge-info0.gif http://www.youtube.com/watch?v=KOFFzXNYJG0&feature=player_embedded http://www.tbarny.com/set/g_img/d_porifera.jpg