But the species left during a long time on these mountains, or in opposite hemispheres, would have to compete with many new forms and would be exposed to somewhat different physical conditions;
Baina aipaturiko mendietan edo hemisferio batean eta bestean geraturiko espezieek forma berriekin norgehiagoka egin beharko lukete eta baldintza fisiko zerbait diferenteetan egonen lirateke;