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Plant Cells Observation. Elodea Plant Elodea Cell.

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Presentation on theme: "Plant Cells Observation. Elodea Plant Elodea Cell."— Presentation transcript:

1 Plant Cells Observation

2 Elodea Plant

3 Elodea Cell

4 Onion Cell

5 Cork Cells

6 Vascular Plants Vascular Plants have three systems: Roots Shoots Vascular tissue

7 Root System Roots anchor the plant in the ground and absorb moisture and food from the soil.

8 Shoot System Shoots are the stems and leaves, which specialize in photosynthesis.

9 Vascular System Vascular tissue circulates water and minerals to the leaves, and the photosynthetic material from the leaves to the rest of the plant. Xylem and Phloem are special vascular cells. – Xylem moves water around the plant. – Phloem moves nutrients and photosynthesis material around the plant

10 Photosynthesis Photosynthesis is the production of food from carbon dioxide and water, using sunlight as the source of energy and with the aid of chlorophyll.

11 Leaf Structure

12 Pea Leaf Stoma

13 Capillary Action The Science Behind It The process of capillary action here is water moving from the full glass up into the paper towel and down into the empty glass. Within a minute or two, the paper towels begin acting as a wick as the water begins to seep up and across it. After a few minutes have passed, water will appear in the empty glass. The water does not flow, however, from one glass to the next; it "oozes" into the empty glass. That happens because the water travels into and between the thousands, and maybe millions, of spaces between the fibers of the paper towel. That movement of water is capillary action. Capillary action is one way moisture gets from the soil into many plants, as it moves up through the plant roots. Capillary action is a slow, oozing process because the movement of water must fight gravity. It is made possible by the strong surface tension of water.


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