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Kingdom: Plantae.

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Presentation on theme: "Kingdom: Plantae."— Presentation transcript:

1 Kingdom: Plantae

2 Plants Chapter 21-24 Plant Basics
Almost all plants have chloroplasts which contain chlorophyll. Chlorophyll is a chemical that gives plants their green color and traps light energy. Plants trap light energy for photosynthesis. Photosynthesis is the process in which plants use water, carbon dioxide, and energy from the sun to make food.

3 How plants are Grouped Vascular- plants that have tube like cells in their roots, stems, and leaves to carry food and water. Example: ferns, trees, seed plants, flowers Nonvascular- plants that do not have tube like cells in their stems and leaves. Instead use osmosis to take up water and minerals. Example: moss, liverworts

4 Nonvascular Plants

5 What is a plant? Eukaryotic Multicellular Autotroph
Cell wall composed of cellulose

6 Movement & Support Cell wall with cellulose Roots, stems, rhizoids
Nastic movement Sclerenchyma & collenchyma

7 Digestion/Obtaining Nutrients
Autotroph Chloroplast/chlorophyll Leaves Roots Ingesting other organisms

8 Nervous/Response Nucleus Trichomes to secrete toxins
Leaf modifications Hormones – growth, ripening Photoperiodism

9 Tropisms

10 Circulation Root Stem Vascular tissue (in vascular plants..duh)
Xylem- carries water and minerals Phloem- carries food Osmosis and diffusion

11 Gas Exchange Stomata in stems and leaves Guard cells Osmosis

12 Excretion Stomata and guard cells

13 Reproduction Asexual and sexual
Sexual – flower, cone; pollen grains, ovules, fruits with seeds Asexual – spores, roots, bulbs, cuttings (leaves), stems

14 Seed dispersal

15 Helpful Plants Produce oxygen Lumber Used to make paper
Erosion prevention

16 Landscape

17 Food

18 Medicine – marijuana, digitalis (heart medication), opium

19 Harmful Plants Poison ivy, poison oak, poison sumac

20 Stinging nettles Nightshade – poison Weeds Allergies caused by pollen Invasive species – plants that move into an area and crowd out the original species of plants


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