"s4176741" - 1 õppematerjal

Selgrootute hingamine

Neljas tase Viies tase  Kasutatud allikad http://163.16.28.248/bio/activelearner/44/images/ch44c3.jpg http://www.daviddarling.info/images/spider_respiration.jpg http://bioweb.uwlax.edu/bio203/2010/roth_lynn/images/home%20pic2.jpg http://oceanovidaescondida.files.wordpress.com/2008/04/polychaeta.jpg http://www.gbri.org.au/Portals/0/Images/s4176741/IMG_0708.JPG http://imgc.allpostersimages.com/images/P-473-488-90/64/6470/XRSH100Z/posters/biodisc-earthworm-or-night-crawler-lumbricus-terrestris-cross-section- http://upload.wikimedia.org/wikipedia/commons/d/dd/PikiWiki_Israel_30660_Lumbricus_terrestris.jpg http://lemill.net/content/pieces/uppiece.2010-06-17.6733376103/image_large http://www.miksike.ee/docs/elehed/4klass/5energia/elutuba/energia/thingamine.jpg http://www.nooruse.ee/Tiiu_Jaanson/Hingamiselundite_haigused/Gaasivahetus_2.jpg