Los cambios arrítmicos: las fluctuacionesThis is a featured page

A veces, los seres vivos de un ecosistema cambian sin explicación aparente o responden a variaciones del medio igualmente inexplicables (aunque se han querido relacionar con la actividad solar).

Posted Anonymously Latest page update: made by Anonymous , May 23 2009, 5:17 PM EDT (about this update About This Update Posted Anonymously Edited anonymously

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