Bu türler, doğal seleksiyonun bir sonucu olarak hastalığa karşı direnç geliştirmiştir.
- This species has evolved resistance to the disease as a result of natural selection.
İnsan, zekasını geliştirdi.
- Human beings evolved their intelligence.
... And where there isn't anything, nothing much can develop. ...
... which we would help Iran develop medical isotopes for a research reactor in Tehran if they agreed ...