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Unformatted text preview: “lignin-impregnated conducting cells,” whose presence determines if the plant is vascular (pines, bushes, grass, other common plants) or non-vascular (liverworts, hornworts, and mosses), 3) Plants are probably a descendant of green algae, 4) Bryophytes are small, nonvascular plants that evolved around 500 million years ago, and are probably the first type of land plants, and 5) vascular plants probably evolved around 400 million years ago. In this lab, I will be observing the structure of vascular and nonvascular plants. I will have to observe and compare the reproductive systems and processes of Bryophytes, Ferns, Pines, and Lilies. Also, I will distinguish the sporophyte and gametophyte generations in each division and explain how each is best suited to their respective plants. Plant Pre-Lab Colin Van Es September 25, 2007 Biol 1201 AA Biological Diversity 5. September 24, 2007 <http://www.emc.maricopa.edu/faculty/farabee/biobk/BioBookDiversity_5.html >....
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- Fall '07
- Colin Van Es, Pre-Lab Colin Van, Plant Pre-Lab Colin