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Plants…an Overview!. Importance of Plants: AgriculturePrevention of Soil Erosion MedicinesMental Health Clothing & DyesClimate Control FuelsTourism Decoration.

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Presentation on theme: "Plants…an Overview!. Importance of Plants: AgriculturePrevention of Soil Erosion MedicinesMental Health Clothing & DyesClimate Control FuelsTourism Decoration."— Presentation transcript:

1 Plants…an Overview!

2 Importance of Plants: AgriculturePrevention of Soil Erosion MedicinesMental Health Clothing & DyesClimate Control FuelsTourism Decoration & PrivacyHobby

3 Classifying Plants: -Aquatic or Terrestrial -Prevention of Water Loss -Spores or Seeds -Vascular or Nonvascular

4 Nonvascular Plants: -mostly terrestrial -produce spores -need water to reproduce -very small plants Phyla: Bryophyta…mosses Hepatophyta…liverworts Anthocerophyta…hornworts

5 Vascular Seedless Plants: -have xylem and phloem -spores -can grow larger than nonvascular plants Phyla: Psilophyta…whisk ferns Lycophyta…club mosses Sphenophyta…horsetails Pteridophyta…ferns

6 Vascular Seed Plants: -gymnosperm or angiosperm -have xylem and phloem -seeds -can be flowering -can grow larger than nonvascular plants Phyla: Cycadophyta…Cycads (gymnosperm) Ginkgophyta…Gingkoes (gymnosperm) Coniferophyta…Conifers (gymnosperm) Gnetophyta…Cone-bearing, odd (gymnosperm) Anthophyta…Flowering (angiosperm)

7 Major Plant Structures: 1. Roots -Tap -Fibrous -Adventitious: grow in uncommon places; specialized roots Root Hairs: increase surface area

8 2. Stems -woody -herbaceous -stolons: Grow along soil surface -tubers: store energy -fleshy: store water and carry out photosynthesis

9 3. Leaves -guard cells: regulate gas and water exchange -stomata: open during the day and close at night

10 4. Flowers -pollination -fertilization -seeds and fruits


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