11.   They feed, in the main, on flowering plants, themselves evolved from ancestors without flowers.

12.   This had evolved from the ancient single red R. gallica and had long been used in medicine.

13.   This probably evolved from a harem system where the females combined forces to overpower and drive out the dominant male.

14.   We can deduce how the planet evolved from its beginnings to its present state.

15.   Fish evolved from prehistoric sea creatures.

16.   Maize evolved from a wild grass in Mexico.

17.   Popular music evolved from folk songs.

18.   Her theory rejects the basic proposition that humans evolved from apes.

19.   Her company has evolved from a hobby into a thriving business.

20.   Refused to believe that the universe as we know it evolved from the random interactions of insentient particles of matter.