Biology Plants, Wake Tech

Biology Plants, Wake Tech - 1. Can Plants move? 2. Can they...

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1. Can Plants move? 2. Can they communicate? 3. Why does water move upward as it evaporates from leaf?
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I. What is a plant? A. Definition: a plant is a multicellular eukaryote with a waxy outer covering called a cuticle , a strong cell wall of cellulose , and a large internal water vacuole. It harnesses the energy of sunlight and uses CO2 and H2O to make glucose, which it stores in its leaves as starch. Its color comes from various pigments (mostly chlorophyll ) which enable it to capture the energy of the sun to photosynthesize .
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II. General Characteristics of Plants A. Photoautotrophs B. Store food as starch C. Three Primary Organs 1.Leaf or flower 2.Stem 3.Root D. Two general types of Plants 1. Flowering 2. Nonflowering Herbaceous Woody
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More Characteristics E. Outer covering cuticle, Keeps water from evaporating except through F. Stomata , pores in leaves takes in CO2 here G. As water evaporates from large surface area of leaf, water from root and leaves moves upward through xylem b/c water molecules are cohesive.
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H. Advantages of seeds
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This note was uploaded on 04/18/2008 for the course BIO 110 taught by Professor Ms.mimidavis during the Fall '07 term at Wake Tech.

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Biology Plants, Wake Tech - 1. Can Plants move? 2. Can they...

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