Convergent evolution is the independent evolution of similar features in species of different periods or epochs in time. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Despite these commonalities, viral envelopes come in a wide. Descargue como ppt, pdf, txt o lea en linea desde scribd. Sanchez guillen pagina iii8 a hyracotherium eo ceno, 50 m. The viral envelope serves several functions, including protecting the rna or dna molecules, evading recognition by the immune system, and facilitating virus entry. Convergent evolution creates analogous structures that have similar form or function but were not present in the last common ancestor of those groups. All structured data from the file and property namespaces is available under the creative commons cc0 license. In evolutionary biology, convergent evolution is the process whereby organisms not closely related not monophyletic, independently evolve similar traits as a result of having to adapt to similar. Introduction to software evolution 27 costs of maintenance usually greater than development costs 2 times to 100 times depending on the application affected by both technical and nontechnical factors increases as software is maintained maintenance corrupts the software structure, making further maintenance more difficult ageing software can have high support costs. Liceo javiera carrera evolucion convergente y divergente.
Why some viruses are enveloped while others lack an outer lipid bilayer is a major question in viral evolution but one that has received relatively little attention. Poisonous platypuses confirm convergent evolution nature. By some accounts, being poisoned by a platypus could qualify as punishment in one of dantes circles of hell. Files are available under licenses specified on their description page. Convergent evolution is the independent evolution of similar features in species of different. Cell walls and the convergent evolution of the viral. The recurrent evolution of flight is a classic example, as flying. This page was last edited on 6 september 2018, at 01.