Les aus

Fet per: Paula Martínez.

http://www.google.es/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=V2BUMMEIa4Wo3M&tbnid=457LwUTvmx72rM:&ved=0CAUQjRw&url=http://www.xtec.cat/~fturmo/d108/ocells/blauet.htm&ei=jy6mUb2iBuiw0QWcu4HQCg&bvm=bv.47008514,d.ZGU&psig=AFQjCNFKylmggmCOiR2o_2p7QMDrB7ndrQ&ust=1369931628148666

http://www.google.es/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=V2BUMMEIa4Wo3M&tbnid=457LwUTvmx72rM:&ved=0CAUQjRw&url=http://www.xtec.cat/~fturmo/d108/ocells/blauet.htm&ei=jy6mUb2iBuiw0QWcu4HQCg&bvm=bv.47008514,d.ZGU&psig=AFQjCNFKylmggmCOiR2o_2p7QMDrB7ndrQ&ust=1369931628148666

• Introducció

• 1r característica general

• Altres característiques

• L’època de reproducció

• alimentació d’aus

• Parts de les aus

• Fotografies i vídeos

Els ocells son els únics animals vertebrats que tenen el cos recobert de plomes.

La boca acaba en un bec sense dents,i la seva forma pot ser variable segons el tipus d’alimentació de l’animal.

http://www.google.es/url?sa=i&rct=j&q=bec+ocell&source=images&cd=&cad=rja&docid=7MeG70ZpFeM4oM&tbnid=7r9X6UMYABL7XM:&ved=0CAUQjRw&url=http://biologiageneticaeso.blogspot.com/&ei=rx2sUZXPK8yr0gX27YGgDg&bvm=bv.47244034,d.ZGU&psig=AFQjCNHLOhUMoHF2faeRZReVB8VDcc_89Q&ust=1370320685186894

http://www.google.es/url?sa=i&rct=j&q=bec+ocell&source=images&cd=&cad=rja&docid=7MeG70ZpFeM4oM&tbnid=7r9X6UMYABL7XM:&ved=0CAUQjRw&url=http://biologiageneticaeso.blogspot.com/&ei=rx2sUZXPK8yr0gX27YGgDg&bvm=bv.47244034,d.ZGU&psig=AFQjCNHLOhUMoHF2faeRZReVB8VDcc_89Q&ust=1370320685186894

Els ocells són homeoterms, és a dir, poden controlar la sevatemperatura corporal i mantenir-la constant, independentment de la temperatura ambient.

http://www.google.es/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=ErOGCJr84AHvRM&tbnid=pNGw5GqAx2i43M:&ved=0CAUQjRw&url=http://aprenemnaturals.blogspot.com/2012/02/ocells-i-coneix-els-aiguamolls-de.html&ei=SUymUbi8PO2m0wXpnIHIDQ&bvm=bv.47008514,d.ZGU&psig=AFQjCNFOk_CalLZKDJOoId-UXEH1NNG4qg&ust=1369939389156993

http://www.google.es/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=ErOGCJr84AHvRM&tbnid=pNGw5GqAx2i43M:&ved=0CAUQjRw&url=http://aprenemnaturals.blogspot.com/2012/02/ocells-i-coneix-els-aiguamolls-de.html&ei=SUymUbi8PO2m0wXpnIHIDQ&bvm=bv.47008514,d.ZGU&psig=AFQjCNFOk_CalLZKDJOoId-UXEH1NNG4qg&ust=1369939389156993

Els ossos dels ocells són molt prims i buits, amb espais plensd'aire, de manera que, com que són lleugers, els faciliten el vol.

Les aus respiren per pulmons i tenen una circulaciódoble.

http://www.google.es/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=Q4tOa4xwFBqUiM&tbnid=LbDttLFsKG5YBM:&ved=0CAUQjRw&url=http://www.lasalle.cat/lasallehorta/naturals/egagropiles/egagropiles__.htm&ei=fTumUYaMLOaK0AWtqICQDw&bvm=bv.47008514,d.ZGU&psig=AFQjCNGD0SlBxSSDtJU96rCneLOiPsAPTQ&ust=1369935097152310

http://www.google.es/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=Q4tOa4xwFBqUiM&tbnid=LbDttLFsKG5YBM:&ved=0CAUQjRw&url=http://www.lasalle.cat/lasallehorta/naturals/egagropiles/egagropiles__.htm&ei=fTumUYaMLOaK0AWtqICQDw&bvm=bv.47008514,d.ZGU&psig=AFQjCNGD0SlBxSSDtJU96rCneLOiPsAPTQ&ust=1369935097152310

La reproducció és sexual. La fecundació és interna i ponen ous, són ovípars. Algunes aus incuben els ous, d'on sortiranpollets amb unes plomes anomenades plomissol.

Durant l'època de reproducció, les aus mascles fan diferentsaccions per atraure a la femella (canten, mostren les parts del seu cos..). Aquest comportament s'anomena festeig nupcial

http://www.google.es/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=qRf1_XhGpDKBnM&tbnid=BTNWqkjPjA6WWM:&ved=0CAUQjRw&url=http://www.mundoexotics.com/agapornis/reproduccion-agapornis&ei=SDamUcOvC42Y1AXn3YGICw&bvm=bv.47008514,d.ZGU&psig=AFQjCNGBnRJfnKO1kb3sWmh54YU4Er0BHA&ust=1369933731262110

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Les aus són herbívores, omnívores,o hi han algunes aus que són carnívores, és a dirs’alimenten d’insectes ,d’herbes o d’algúnanimal.

http://www.google.es/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=qfldDxG4qCFMbM&tbnid=6mludnzr4aQYUM:&ved=0CAUQjRw&url=http://gabygabilan.blogspot.com/2010/06/la-sabiduria-del-aguila-dicanec.html&ei=bjimUaixI-vL0AXY1YGIBA&bvm=bv.47008514,d.ZGU&psig=AFQjCNEqAdcx7qKd7trzUQXZoNcrpqEnrg&ust=1369934254601568

http://www.google.es/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=qfldDxG4qCFMbM&tbnid=6mludnzr4aQYUM:&ved=0CAUQjRw&url=http://gabygabilan.blogspot.com/2010/06/la-sabiduria-del-aguila-dicanec.html&ei=bjimUaixI-vL0AXY1YGIBA&bvm=bv.47008514,d.ZGU&psig=AFQjCNEqAdcx7qKd7trzUQXZoNcrpqEnrg&ust=1369934254601568

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http://www.google.es/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=zMeKWiTsteHWkM&tbnid=yf9aAjtoTJ7lCM:&ved=0CAUQjRw&url=http://www.xtec.cat/~ajimeno/cn1eso/19reptilsiocells/19reptilsiocells.htm&ei=4oWnUfyZEMWn0wWm0IHIDQ&bvm=bv.47244034,d.ZGU&psig=AFQjCNFq95YLHHNJHNxcxhTjdZVoWJM8Hw&ust=1370019637574989

Hi ha aus marines i aus voladores:

http://www.google.es/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=BQC1AYUaFyEjOM&tbnid=yG6ni_9or-g-ZM:&ved=&url=http://www.seo-alicante.org/valenciano/quaderns_anteriors/quadern_camp_mar05.htm&ei=lY6nUeeUG7CX7Qb364HgAw&bvm=bv.47244034,d.ZGU&psig=AFQjCNEb92FHmcCjfqBOTjdVm4sX4M-ZEw&ust=1370021909802577

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http://www.taringa.net/posts/ciencia-educacion/13843206/Aves-homosexuales.html

http://www.taringa.net/posts/ciencia-educacion/13843206/Aves-homosexuales.html

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https://www.youtube.com/watch?v=wa9ja2PV1bo

https://www.youtube.com/watch?v=4RiTTIGK630

https://www.youtube.com/watch?v=wa9ja2PV1bo

https://www.youtube.com/watch?v=4RiTTIGK630

Us a agradat??

Espero que sii! :D

http://www.google.es/url?sa=i&rct=j&q=&esrc=s&frm=1&source=images&cd=&cad=rja&docid=LPbH3h5m8m8GIM&tbnid=8KZeYDsbJFqwhM:&ved=0CAUQjRw&url=http://ca.clipartlogo.com/premium/detail/vector-illustration-of-blue_29401345.html&ei=RzymUc6FMtCb0AWj1IFI&bvm=bv.47008514,d.ZGU&psig=AFQjCNHMI2sJbIGRRyZLzjghHjL7nqRkeg&ust=1369935290785600

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Les aus