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Where does plant biomass come from??
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So…does everyone know where plants get their biomass from?? http://www.learner.org/resources/series26.html?pop=yes&pid=77
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https://www.youtube.com/watch?v=cwwlm3CrRjY
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Table Teams: Plant Reflection As a group, discuss the following question: – What services/resources/products do plants provide for us and other organisms? Record your thoughts on a sheet of paper and include illustrations. Each mini poster will be presented to the class using the document camera.
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Basic Requirements Sunlight Water + minerals Gas exchange (O 2 and CO 2 )
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Plant Diversity: Major Groups 1.Bryophytes Examples: Mosses, liverworts, hornworts
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Plant Diversity: Major Groups 2.Seedless Vascular Plants Examples: Ferns and horsetails
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Plant Diversity: Major Groups 3.Seed Plants Example 1: Conifers
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Plant Diversity: Major Groups 3.Seed Plants (continued) Example 2: Flowering Plants Includes most tress!
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More on Flowering Plants... Diverse life spans – Annual (one growing season) – Biennial (two growing seasons) – Perennial (live for more than 2 years)
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Plant Structures
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Plant Roots Taproots Long, thick primary root Fibrous roots Branching system, no primary
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Plant Stems Produce leaves, branches, and flowers Hold leaves up to sun
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Plant Leaves Blades: flattened; collect sunlight Petiole: leaf stem
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Leaf Margins (edges) -Lobed -Serrated -Smooth
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Leaf Types Simple: One leaf Compound: One leaf w/many leaflets
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Leaf Arrangement Alternate Opposite Whorled
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Leaf Venation Palmate
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Leaf Venation Pinnate
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Leaf Venation Parallel
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https://www.youtube.com/watch?v=h9oDTMXM7M8
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