Plant Pre Lab

Plant Pre Lab - lignin-impregnated conducting cells, whose...

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Plant Pre-Lab Colin Van Es September 25, 2007 Biol 1201 AA Before reviewing the given website (Biological Diversity 5), I knew a pretty good amount about plants. I knew that they are responsible for giving us oxygen and consuming the carbon dioxide humans give off. I also know that are eukaryotes, but have a more rigid cell structure, largely due to the presence of a cell wall. This gives the plants a much stronger foundation and is the reason for the strength of tree trunks and crispiness of leaves. The green plants also contain a chloroplast. This is responsible for turning carbon dioxide and sunlight into food (energy) for the plant and producing oxygen for humans to use. I also know that this creates a symbiotic process between humans and plants. Humans are also able to eat plants and gain valuable nutrients from these tasteful meals. After reviewing the given website (Biological Diversity 5), I gained the following knowledge: 1) There are more than 300,000 known species of plants, 2) There are
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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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Plant Pre Lab - lignin-impregnated conducting cells, whose...

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