flowering plant structure&function2

flowering plant structure&function2 - Cohesion and...

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Vascular Tissue Xylem Water Minerals Phloem Organic compounds
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Most plants absorb water and minerals from soil Absorption Diffusion Osmosis Facilitated Diffusion
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Transport Systems Why are they necessary?
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Essential Nutrients Chemicals that organism cannot produce Must be acquired from environment Required to complete life cycle Photo Credit: BIOL 1407 Student, Austin Nature Center, Fall 2006
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Macronutrients Required in large amounts Carbon Hydrogen Oxygen Nitrogen Sulfur Phosphorus Potassium Calcium Magnesium
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Micronutrients Needed in tiny quantities Cofactors or component of enzyme systems
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Xylem Transport Root Pressure
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Unformatted text preview: Cohesion and Adhesion of Water in Xylem tubes Transpiration Root Pressure Loading of water and minerals into xylem vessels root pressure in stele Hydrostatic pressure Cohesion & Adhesion Transpiration Loss of water by evaporation from plant surfaces Primarily through leaf stomata Transpiration Pull Gas Exchange Shoot Gas Exchange Leaves Cuticle Stomata Opening Guard Cells Regulate Gas Exchange Stem Lenticels The End Unless otherwise specified, all images in this presentation came from: Campbell, et al. 2008. Biology, 8 th ed. Pearson Benjamin Cummings....
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This note was uploaded on 10/02/2011 for the course BIOL 1407 taught by Professor Lisagloyna during the Spring '09 term at Austin Community College.

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flowering plant structure&function2 - Cohesion and...

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