image is a derivative work of the following images: File:Coupe_anatomie.jpg licensed with Cc-pd-mark-footer, PD-USGov 2007-06-20T12:36:50Z Nicobzz 300x361...
del https://commons.wikimedia.org/wiki/File:M%C3%A9todo_cient%C3%ADfico.jpg método científico. 6 CONCEPTO DE BIOLOGÍA La Biología (del griego «βίος»...
