There Has Been a Change in the Dominant Vegetation Since

Multiple Choice

There has been a change in the dominant vegetation since plants first invaded the terrestrial environment about 400-500 million years ago. In what order were these vegetation types dominant, from earliest to most current?

A) Gymnosperms, progymnosperms, angiosperms
B) Angiosperms, progymnosperms, gymnosperms
C) Progymnosperms, gymnosperms, angiosperms
D) Angiosperms, gymnosperms, progymnosperms
E) Progymnosperms, angiosperms, gymnosperms