26: Diversity of Life
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- 26.2: Growing Diversity of Plants
- When plants developed basic tissues and organs and thus became mature enough to survive on land, they started to increase in their diversity. All plants studied in this and following chapters belong to plants 2 , or kingdom Vegetabilia which is split into three phyla: Bryophyta (mosses and relatives), Pteridophyta (ferns and allies), and Spermatophyta (seed plants). The most striking differences between these phyla lay in the organization of their life cycles.