21.   The Abbey Church evolved from the early Christian basilica and early examples still had the altar at the west end.

22.   At Ely is a particularly fine example of Transitional work, that is, the style which evolved from Romanesque and preceded a complete transference into Gothic.

23.   Gothic architecture evolved from the Romanesque style but its characteristics are different.

24.   The circular window, the Gothic rose, evolved from the Romanesque wheel window.

25.   This peculiarly English design was evolved from the desire for a vault which would accommodate ribs of different curves as they sprang from the capital.

26.   From these ideas evolved the most usual form of German Gothic, the Hallenkirche or hall church.

27.   Multimedia will have evolved from a technological issue into a metaphysical one.

28.   The oxygen evolved from the two samples can be collected and tested for the heavier isotope using a mass spectrometer.

29.   Marxist theories of administration and bureaucracy have evolved from different strands of social analysis and criticism.

30.   These evolve from a perception into aesthetics via the development of special quality movements and expressional abilities.