http://www.alzinar.com/links_jardineria_alzinar/Els%20biomes/Sabanes%20/view?searchterm=arbres

http://www.alzinar.com/links_jardineria_alzinar/Els%20biomes/Les%20selves%20i%20els%20boscos%20tropicals/generic_view

http://www.alzinar.com/links_jardineria_alzinar/Els%20biomes/Els%20deserts/generic_viewhttp://www.vilaweb.cat/www/diariescola/noticia?id=1701376

http://www.authorstream.com/Presentation/jpinies-109905-BIOMA-DEL-BOSC-CADUCIFOLI-Entertainment-ppt-powerpoint/

http://sameadnam.blogspot.com.es/2009/06/la-taiga.html

http://sameadnam.blogspot.com.es/2009/06/la-tundra.html

http://www.xtec.cat/~voliu/cursd98/m2ex1/index.htm