Paul surveys the Kingdom Plantae. He begins with a brief description of the phylogeny of land plants. He then describes the defining characteristics of plants, including cell walls, embryophytes, alternation of generation and photosynthesis. He briefly describes the sporophyte and the gametophyte. He finishes with brief discussion of plant evolution and includes major divisions, like bryophytes, ferns, gymnosperms, and angiosperms.

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