Which of these time intervals, based on plant fossils, came last (most recently)?
A) extensive growth of gymnosperm forests
B) Silurian-Devonian explosion with fossils of plant lineages that contain most of the major morphological innovations
C) colonization of land by early liverworts and mosses
D) rise and diversification of angiosperms
E) carboniferous swamps with giant horsetails and lycophytes
Answer: D
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